NATIONAL HEALTH ENHANCEMENT SYSTEMS INC
10KSB40/A, 1996-08-07
PREPACKAGED SOFTWARE
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                     U.S. SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                   FORM 10-KSB/A

(Mark One)
[X]  ANNUAL REPORT  PURSUANT TO SECTION 13 OR 15(d) OF THE  SECURITIES  EXCHANGE
     ACT OF 1934 [FEE REQUIRED]
For the fiscal year ended     January 31, 1996
                         --------------------------------------------
                                       or
[ ]  TRANSITION  REPORT  PURSUANT  TO  SECTION  13 OR  15(d)  OF THE  SECURITIES
     EXCHANGE ACT OF 1934 [NO FEE REQUIRED]

For the transition period from              N/A         to
                                -----------------------    ---------------------
Commission file Number                               33-9396-LA
                       ---------------------------------------------------------
                    National Health Enhancement Systems, Inc.
- --------------------------------------------------------------------------------
                 (Name of small business issuer in its charter)

Delaware 86-0460312
(State or other jurisdiction of                          (I.R.S. Employer
 incorporation or organization)                          Identification
                                                         Number)
Suite 1750
3200 North Central Avenue
Phoenix, Arizona                                         85012
(Address of principal executive offices)                 (Zip Code)

Issuer's telephone number                                602-230-7575

Securities registered under Section 12(b) of the Exchange Act:

                                      NONE

Securities registered under Section 12(g) of the Exchange Act:

                          COMMON STOCK $.001 PAR VALUE

Check  whether the issuer (1) filed all reports  required to be filed by Section
13 or 15(d) of the  Exchange  Act during the past 12 months (or for such shorter
period that the registrant was required to file such reports),  and (2) has been
subject to such filing requirements for the past 90 days. Yes [ X ] No [ ].

Check if there is no disclosure of delinquent  filers in response to Item 405 of
Regulation  S-B is not  contained  in  this  form,  and no  disclosure  will  be
contained,  to the  best of  registrant's  knowledge,  in  definitive  proxy  or
information statements incorporated by reference in Part III of this Form 10-KSB
or any amendment to this Form 10-KSB [ X ].

Issuer's revenues for its most recent fiscal year:   $16,891,143

As of March 29, 1996, the aggregate  market value of Registrant's  voting shares
held by non-affiliates of shares, based upon the average between the closing bid
and  asked  prices  of  such  stock  as  quoted  on  NASDAQ,  was  approximately
$12,298,664.

The number of shares of the Registrant's common stock issued and outstanding was
3,835,380 at March 29, 1996.

The  Registrant's  definitive Proxy Statement to be filed pursuant to Regulation
14A with the Securities  and Exchange  Commission not later than May 31, 1996 is
incorporated by reference into Part III, Items 9 through 12.
JTZ3602
<PAGE>
<TABLE>
                                TABLE OF CONTENTS
<CAPTION>
                                                                                            PAGE
                                                                                            ----
PART I

<S>        <C>                                                                               <C>
           Item 1.              Description of Business                                      
           Item 2.              Description of Properties                                    
           Item 3.              Legal Proceedings                                            
           Item 4.              Submission of Matters to a Vote of Security Holders          

PART II

           Item 5.              Market for Common Equity and Related Stockholder             
                                Matters
           Item 6.              Management's Discussion and Analysis of
                                Financial Condition and Results of Operations                
           Item 7.              Financial Statements                                         
           Item 8.              Changes In and Disagreements with Accountants on
                                Accounting and Financial Disclosure                          

PART III

           Item 9.              Directors, Executive Officers, Promoters and
                                Control Persons:  Compliance with Section 16(a) of           
                                the Exchange Act                                             
           Item 10.             Executive Compensation                                       
           Item 11.             Security Ownership of Certain Beneficial
                                Owners and Management                                        
           Item 12.             Certain Relationships and Related Transactions               
           Item 13.             Exhibits and Reports on Form 8-K(*)                          

SIGNATURES                     

(*) Confidential Treatment has been requested for portions of this Item.

</TABLE>
In  accordance  with  Section 13 or 15(d) of the Exchange  Act,  the  registrant
caused this  10-KSB/A to be signed on its behalf by the  undersigned,  thereunto
authorized.

NATIONAL HEALTH ENHANCEMENT SYSTEMS, INC.
(Registrant)



By       /s/ Jeffrey T. Zywicki
     ------------------------------------------
         Jeffrey T. Zywicki
         Chief Financial Officer


Date:    August 7, 1996
      -----------------------------------------


<TABLE>
<CAPTION>

                                  EXHIBIT INDEX


Exhibit                                                                          Page or
number                Description                                                Method of Filing
- ------                -----------                                                ----------------

<S>                   <C>                                                        <C>
  2.1                 Plan of Reorganization and                                 Incorporated by Reference
                      Agreement of Merger                                        to Form 8-k filed July 13, 1994

  3.1                 Certification of Incorporation                             Incorporated by Reference
                                                                                 of the Company to
                                                                                 Exhibit 3.1 of S-18
                                                                                 No. 33-9396-LA

  3.2                 Bylaws of the Company                                      Incorporated by Reference
                                                                                 to Exhibit 3.2 of S-18
                                                                                 No. 33-9396-LA

  4.1                 Specimen Certificate                                       Incorporated by Reference
                      Representing $.001 par value                               to Exhibit 4.1 of S-18
                      Common Stock                                               No. 33-9397-LA

  4.2                 Form of Warrant to the                                     Incorporated by Reference
                      Underwriter                                                to Exhibit 4.2 of
                                                                                 Amendment No. 2 to S-18
                                                                                 No. 33-9397-LA

  4.3                 Form of Warrant to the                                     Incorporated by Reference
                      Advisor                                                    to Exhibit 4.3 of
                                                                                 Amendment No. 2 to S-18
                                                                                 No. 33-9397-LA

10.1                  Confirmation of License and                                Incorporated by Reference
                      Agreement Regarding Purchase                               to Exhibit 10.1 of S-18
                      Option and related letter                                  No. 33-9397-LA
                      agreement dated October 2, 1986

10.2                  Franchising and Licensing                                  Incorporated by Reference
                      Agreement with The Arizona                                 to Exhibit 10.2 of
                      Heart Institute, Ltd.                                      Amendment No. 1 to S-18
                                                                                 No. 33-9397-LA

10.3                  Assignment of Rights to The                                Incorporated by Reference
                      Heart Test                                                 to Exhibit 10.3 of S-18
                                                                                 No. 33-9397-LA

10.4                  Shareholders Contribution and                              Incorporated by Reference
                      Conversion Agreement as                                    to Exhibit 10.4 of S-18
                      Amended, and related notes held                            No. 33-9397-LA
                      by Shareholders and Affiliated

10.5                  Form of Outstanding Warrants                               Incorporated by Reference
                                                                                 to Exhibit 10.5 of S-18
                                                                                 No. 33-9397-LA


Exhibit                                                                          Page or
number                Description                                                Method of Filing
- ------                -----------                                                ----------------

10.6                  Promissory Notes in the                                    Incorporated by Reference
                      Aggregate amount of $100,000                               to Exhibit 10.6 of S-18
                      Principal                                                  No. 33-9397-LA

10.7                  Lease for Company's Office                                 Incorporated by Reference
                      Space dated August 22, 1986                                to Exhibit 10.7 of S-18
                                                                                 No. 33-9397-LA

10.7.1                Amendment to Lease for                                     Incorporated by Reference
                      Company's Office Space dated                               to Exhibit 10.7.1 to Form
                      August 22, 1986                                            10-K filed for the year
                                                                                 Ended January 31, 1987

10.8                  Agreement and Plan of Merger                               Incorporated by Reference
                                                                                 Exhibit 10.8 of S-18
                                                                                 No. 33-9397-LA

10.9                  Employment Agreements with                                 Incorporated by Reference
                      Dr. Larry Gettman and                                      Exhibit 10.9 of S-18
                      Jeffrey Zywicki                                            No. 33-9397-LA

10.10                 Line of Credit Documentation                               Incorporated by Reference
                                                                                 to Exhibit 10.10 of S-18
                                                                                 No. 33-9397-LA

10.11                 Promissory Note in the                                     Incorporated by Reference
                      Principal Amount of $25,801                                to Exhibit 10.11 of S-18
                                                                                 No. 33-9397-LA

10.12                 Company Indemnities                                        Incorporated by Reference
                                                                                 to Exhibit 10.12 of S-18
                                                                                 No. 33-9397-LA

10.13.1               Forms of Franchise                                         Incorporated by Reference
                      Agreement used in 1987                                     to Exhibit 10.13.1 to
                                                                                 Amendment No. 2 of S-18
                                                                                 No. 33-9397-LA

10.13.2               Forms of Franchise                                         Incorporated by Reference
                      Agreement used in 1986                                     to Exhibit 10.13.2 to
                                                                                 Amendment No. 1 and
                                                                                 Amendment No. 2 to S-18
                                                                                 No. 33-9397-LA

10.13.3               Forms of Franchise Agreement                               Incorporated by Reference
                      used in 1985                                               to Exhibit 10.13.3 to S-18
                                                                                 No. 33-9397-LA

10.13.4               Forms of Franchise Agreement                               Incorporated by Reference
                      used in 1984                                               to Exhibit 10.13.4 to S-18
                                                                                 No. 33-9397-LA


Exhibit                                                                          Page or
number                Description                                                Method of Filing
- ------                -----------                                                ----------------

10.13.5               Franchise Agreements Executed                              Incorporated by Reference
                      Agreement                                                  to Exhibit 10.13.5 of S-18
                                                                                 No. 33-9397-LA

10.13.6               Existing Area Franchise                                    Incorporated by Reference
                      Agreement                                                  to Exhibit 10.13.6 of S-18
                                                                                 No. 33-9397-LA

10.13.7               Form of Franchise Agreement                                Incorporated by Reference
                      used by the Company in 1987                                to Form 10-K filed for
                                                                                 year ended January 31,
                                                                                 1988

10.13.8               Form of Franchise Agreement                                Incorporated by Reference
                      used by the Company in 1988                                to Form 10-K filed for the year ended January 31,
                                                                                 1989

10.13.9               Form of Franchise Agreement                                Incorporated by Reference
                      used by the Company in 1989                                to Form 10-K filed for the year ended January 31,
                                                                                 1990

10.14                 Forms of Rescission offers                                 Incorporated by Reference
                                                                                 to Exhibit 10.14 of S-18
                                                                                 No. 33-9397-LA

10.15                 Rescission and Refund Responses                            Incorporated by Reference
                      for internal use of Programs                               to Exhibit 10.15 of S-18
                                                                                 No. 33-9396-LA

10.16                 Agreements with Corporations                               Incorporated by Reference
                      for internal use of Programs                               to Exhibit 10.16 of S-18
                                                                                 No. 33-9397-LA

10.17                 South Dakota and Wisconsin                                 Incorporated by Reference
                      "No Action" letters and certain                            to Exhibit 10.17 of
                      related documents                                          Amendment No. 1 to S-18
                                                                                 No. 33-9397-LA

10.18                 Revised Exhibit A to Form of                               Incorporated by Reference
                      Stock Escrow Agreement required                            to Exhibit 10.18 of
                      by the Arizona Corporation                                 Amendment No. 1 to S-18
                      Commission and Shareholder                                 No. 33-9397-LA
                      lock-up agreements

10.19                 Promissory Note in Principal                               Incorporated by Reference
                      Amount of $50,000 and related                              to Exhibit 10.19 of
                      materials                                                  Amendment No. 1 to S-18
                                                                                 No. 33-9397-LA

10.20                 Agreement with Advisor                                     Incorporated by Reference
                                                                                 to Exhibit 10.20 of
                                                                                 Amendment No. 1 to S-18
                                                                                 No. 33-9397-LA


Exhibit                                                                          Page or
number                Description                                                Method of Filing
- ------                -----------                                                ----------------

10.21                 Notification of Option to                                  Incorporated by Reference
                      Purchase the Personal Fitness                              to Exhibit 10.21 to Form
                      Profile Software                                           10-K filed for the fiscal
                                                                                 year ended January 31, 1987

10.21.1               List of Subsidiaries                                       Page 37

10.22                 Promissory Note in Principal                               Incorporated by Reference
                      Amount of $75,000 for purchase                             to Exhibit 10.22 to Form
                      of Personal Fitness Profile                                10-K filed for the fiscal
                      Software and related materials                             year ended January 31, 1987

10.23                 Employment Agreement with                                  Incorporated by Reference
                      James Wichterman                                           to Exhibit 10.23 to Form
                                                                                 10-Q filed for the quarter ended April 30, 1987

10.24                 Term Note Payable in the                                   Incorporated by Reference
                      Principal Amount of $75,000                                to Exhibit 10.24 to Form
                                                                                 10-Q filed for the
                                                                                 quarter ended April 30, 1987

10.25                 Software Customization and                                 Incorporated by Reference
                      License Agreement with                                     to Exhibit 10.25 to Form
                      Resource Center Enterprises,                               10-Q filed for the
                      Inc. dated May 22, 1987                                    quarter ended July 31, 1987

10.26                 Med Plus Corporation Distribution                          Incorporated by Reference
                      and Sales Agreement dated                                  to Exhibit 10.26 to Form
                      September 19, 1987                                         10-Q filed for the quarter ended October 31, 1987

10.27                 Distribution Agreements                                    Incorporated by Reference
                      for Marketing Consultants                                  to exhibit 10.27 to Form
                                                                                 10-Q filed for the quarter ended October 31, 1987

10.28                 Consulting, Development                                    Incorporated by Reference
                      and License Agreement with                                 to Exhibit 10.28 to Form
                      Humana Inc., dated December                                10-K filed for the year
                      31, 1987                                                   ended January 31, 1988

10.29                 Agreement with Healthscan, Inc.                            Incorporated by Reference
                      to discontinue use of Healthscan                           to Exhibit 10.29 to Form
                                                                                 10-K filed for the year
                                                                                 ended January 31, 1988

10.30                 Stock Option Letter with                                   Incorporated by Reference
                      Jim Wichterman                                             to Exhibit 10.30 to Form
                                                                                 10-K filed for the year
                                                                                 ended January 31, 1988


Exhibit                                                                          Page or
number                Description                                                Method of Filing
- ------                -----------                                                ----------------

10.31                 Employment Agreement with                                  Incorporated by Reference
                      Dan Bergman                                                to Exhibit 10.31 to Form
                                                                                 10-K filed for the year
                                                                                 ended January 31, 1988

10.32                 Form of Stock Option Agreement                             Incorporated by Reference
                      with Key Employees and Officers                            to Exhibit 10.32 to Form
                                                                                 10-K filed for the year
                                                                                 ended January 31, 1989

10.33                 Form of Stock Option Agreement                             Incorporated by Reference
                      with Outside Directors                                     to Exhibit 10.33 to form
                                                                                 10-K filed for the year
                                                                                 ended January 31, 1989

10.34                 Severance Agreement with                                   Incorporated by Reference
                      Gregory J. Petras                                          to Exhibit 10.34 to Form
                                                                                 10-K filed for the year
                                                                                 ended January 31, 1989

10.35                 $100,000 Installment Note                                  Incorporated by Reference
                      Payable to Three Carollo                                   to Exhibit 10.35 to Form
                      Partnership                                                10-Q filed for the quarter ended July 31, 1989

10.36                 Purchase, Consulting and                                   Incorporated by Reference
                      Distribution Agreement with                                to Exhibit 10.36 to Form
                      Micromedex, Inc.                                           10-K filed for the fiscal
                                                                                 year ended January 31, 1991

10.37                 $125,000 Installment Note                                  Incorporated by Reference
                      Payable to Gardiner S. Dutton                              to Exhibit 10.37 to Form
                      as Agent                                                   10-Q for the quarter ended July 31, 1990

10.38                 Asset Purchase Agreement with                              Incorporated by Reference
                      Prentice Hall, Inc. to purchase                            to Exhibit 10.38 to Form
                      Riskscan                                                   July 31, 1990

10.39                 Lease for Company's Office Space                           Incorporated by Reference
                      dated October 1990                                         to Exhibit 10.39 to Form 10-K filed for the
                                                                                 fiscal year ended January 31, 1991

10.40                 Exclusive Distributor Agreement                            Incorporated by Reference to Exhibit
                      with Vim & Vigor, Inc.                                     10.40 to Form 10-K filed for the fiscal year
                                                                                 ended January 31, 1992.

10.41                 Exclusive Agency Agreement                                 Incorporated by Reference to Exhibit
                      with Joseph Stevens Group, Inc.                            10.41 to Form 10-K filed for the
                                                                                 fiscal year ended January 31, 1992


Exhibit                                                                          Page or
number                Description                                                Method of Filing
- ------                -----------                                                ----------------

10.42                 Development and Distribution                               Incorporated by Reference to Exhibit
                      Agreement with Parlay                                      10.42 to Form 10-KSB filed for fiscal
                      International Communication, Inc.                          year ended January 31, 1993

10.43                 Amended and Restated Purchase,                             Incorporated by Reference to Exhibit
                      Consulting and Distribution Agreement                      10.43 to From 10-KSB filed for fiscal
                      with Micromedex, Inc.                                      year ended January 31, 1993

10.44                 Employment Agreement with Gregory J.                       Incorporated by Reference to
                      Petras and Form Other key Executives                       the Form 10-KSB filed for the
                                                                                 fiscal year ended January 31, 1993

10.45                 1988 Stock Option Plan                                     Incorporated by Reference to
                                                                                 1988 Proxy statement

10.46                 Employment Agreement with                                  Incorporated by Reference to
                      A. Neal Westermeyer                                        Exhibit 10.46 to Form 10-KSB
                                                                                 filed for fiscal year ended
                                                                                 January 31, 1994

10.47                 Amendment and Restated Certificate                         Incorporated by Reference to
                      of Designation Agreement of Series A                       the Form 10-QSB filed for the fiscal
                      Preferred Stock dated, June 14, 1994                       quarter ended April 30, 1994

10.48                 Pediatric Protocol Publishing                              Incorporated by Reference to Exhibit
                      Agreement with Barton D. Schmitt M.D.                      10.48 to Form 10KSB for the fiscal
                                                                                 year January 31, 1995

10.49                 Consulting Agreement with                                  Incorporated by Reference to Exhibit
                      Steven Poole, M.D.                                         10.49 to Form 10-KSB for the fiscal
                                                                                 year January 31, 1995
                                                                                 
10.50                 First Amendment to Amended and Restated                    Incorporated by Reference to Exhibit
                      Purchase, Consulting and Distribution                      10.50 to Form 10-KSB for the fiscal
                      Agreement                                                  year January 31, 1995

10.51                 Development and Distribution Agreement                     Pages 40-98
                      with Pfizer Health Sciences Inc. (*)   

</TABLE>
(*) Confidential Treatment has been requested for portions of this document.



                                  EXHIBIT 10.51


                     DEVELOPMENT AND DISTRIBUTION AGREEMENT


                  Agreement  made as of the  22nd  day of  December,  1995  (the
"Effective  Date"),  by  and  between  Pfizer  Health  Sciences,  Inc.  ("Pfizer
Health"),  a Delaware  corporation having its principal place of business at 235
East 42nd Street, New York, New York 10017-5755, and National Health Enhancement
Systems,  Inc.  ("NHES"),  a Delaware  corporation having its principal place of
business at 3200 North Central Avenue, Suite 1750, Phoenix, Arizona 85012;

                  WHEREAS,  NHES is in the  business of  developing,  marketing,
selling and operating the products  described on Schedule A attached hereto (the
"NHES  Products")  and offers,  or intends to offer the  services  described  on
Schedule A attached hereto ("NHES Services");

                  WHEREAS,   Pfizer  Health  and  its   Affiliates  (as  defined
hereunder)  desire to use,  and to  distribute  to third party  end-users,  NHES
Products and NHES Services;

                  WHEREAS,  Pfizer  Health  and NHES  desire  to  enter  into an
arrangement for the development of: (i) customized products,  including, but not
limited to, the  [Deleted - see *]  ("Customized  Products");  (ii)  services to
health  care  organizations  and their  beneficiaries  by the  operation  of any
Customized Product ("Related  Services");  and (iii) interfaces between the NHES
Products, Customized Products (including, but not limited to, [Deleted - see *])
and [Deleted - see *];

                  WHEREAS,  Pfizer Health and its Affiliates  desire to use, and
to  distribute  to third party  end-users,  such  Customized  Products,  Related
Services and Interfaces; and

                  WHEREAS, the parties desire to accomplish the foregoing on the
terms and conditions set forth herein.

                  In  consideration  of the mutual  promises  and subject to the
terms and conditions set forth herein, Pfizer Health and NHES agree as follows:

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)


                             Section 1. DEFINITIONS

         When used in this  Agreement  and in each Work Order issued  hereunder,
the  capitalized  terms  listed  in this  Section  1 shall  have  the  following
meanings:

         1.1.  Affiliate  -- of a party  shall  mean  any  corporation  or other
business  entity that directly or indirectly  controls,  is controlled by, or is
under common control with, such party.

         1.2.  Change in Control -- of NHES means (a) whenever a majority of the
members of the Board of Directors  of NHES shall have been  elected  against the
recommendation  of the  management  of NHES or the Board of Directors of NHES in
office immediately prior to such election;  provided, however, that for purposes
of this clause (a), a member of such Board of Directors  whose initial  election
occurs as a result of either an actual or threatened  election  contest (as such
terms are used in Rule 14a-11 of Regulation 14A promulgated under the Securities
Exchange Act of 1934, as amended) or other actual or threatened  solicitation of
proxies  or  consents  by or on behalf  of a person  other  than  such  Board of
Directors  shall be deemed to have been elected  against the  recommendation  of
such Board of Directors; (b) whenever any person or group of persons (other than
those set forth in Schedule I) shall acquire (whether by merger,  consolidation,
sale,  assignment,  lease,  transfer or  otherwise,  in one  transaction  or any
related series of transactions) or otherwise  beneficially own equity securities
of NHES that  represent  in excess of fifty (50)  percent of the voting power of
all  outstanding  equity  securities of NHES generally  entitled to vote for the
election of directors;  or (c) whenever any pharmaceutical company shall acquire
(whether  by  merger,  consolidation,   sale,  assignment,  lease,  transfer  or
otherwise,  in one  transaction  or  any  related  series  of  transactions)  or
otherwise beneficially own equity securities of NHES that represent in excess of
thirty (30) percent of the voting power of all outstanding  equity securities of
NHES generally entitled to vote for the election of directors.

         1.3.  Code -- shall mean  computer  programming  code other than Source
Code,  including,  without limitation,  the  machine-readable  form of such code
(hereinafter "Object Code"), any Maintenance Modifications or Basic Enhancements
thereto created

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

by NHES and made  generally  available to its customers  from time to time,  and
Major  Enhancements  thereto when added in  connection  with a Work Order issued
hereunder.

         1.4.  Customer -- shall mean any third party that purchases or licenses
products or services from Pfizer Health, including, without limitation, any NHES
Product,  NHES Service,  Customized Product,  Related Service, or [Deleted - see
*].

              (a) Tier 1  Customer  -- shall mean a  Customer  having  more than
250,000 beneficiaries.

              (b) Tier 2 Customer  -- shall mean a Customer  having no more than
250,000 beneficiaries.

         1.5.  Deliverables  -- shall mean all Code,  Documentation,  Customized
Products,  [Deleted see *], data,  databases,  and other materials  developed by
NHES under this Agreement or any Work Order issued hereunder.

         1.6.  Derivative  Work -- shall  mean a work that is based  upon one or
more  preexisting  works,  such  as  a  revision,   modification,   translation,
abridgement,   condensation,   expansion,  or  any  other  form  in  which  such
preexisting works may be recast,  transformed, or adapted, and that, if prepared
without  authorization of the owner of the copyright in such  preexisting  work,
would  constitute a copyright  infringement.  For purposes  hereof, a Derivative
Work shall also include any  compilation  that  incorporates  such a preexisting
work.

         1.7.  Documentation  -- shall  mean  user  manuals  and  other  written
materials,  including  materials  useful for design (e.g.,  logic manuals,  flow
charts,   and  principles  of  operation).   Documentation   shall  include  any
Maintenance  Modifications  or Basic  Enhancements  thereto created by NHES from
time to time,  and shall  include Major  Enhancements  thereto when added to the
Documentation in connection with a Work Order issued hereunder.

         1.8.  Enhancements  -- shall  mean  changes  or  additions,  other than
Maintenance  Modifications,  to Code and Source Code and related  Documentation,
that are  incorporated in any new release that NHES makes available to more than
one third party or to Pfizer and that improve functions,  add new functions,  or
significantly improve performance by changes in system design or coding.


(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)
              (a) Basic Enhancements -- shall mean any Enhancements that are not
Major Enhancements.

              (b) Major  Enhancements -- shall mean Enhancements that (1) have a
value and utility separate from the use of the Code and Documentation;  (2) as a
practical  matter,  may be  priced  and  offered  separately  from  the Code and
Documentation;  and (3) are not made available to any of NHES' customers without
separate charge.

         1.9. Error -- shall mean any error,  problem,  or defect resulting from
(1)  an  incorrect  functioning  of  Code,  or (2) an  incorrect  or  incomplete
statement  of diagram in  Documentation,  if such an error,  problem,  or defect
renders the Code inoperable,  causes the Code to fail to meet the specifications
thereof, causes the Documentation to be inaccurate or incomplete in any material
respect,  causes incorrect results,  or causes incorrect functions to occur when
any such materials are used.

         1.10.  Initial  Term -- shall  mean the period of one (1) year from the
Effective Date.

         1.11.  Maintenance  Modifications  -- shall mean any  modifications  or
revisions  that NHES makes  available to more than one third party or to Pfizer,
other than Enhancements,  to Code or Documentation that correct Errors,  support
new  releases  of the  operating  systems  with  which the Code is  designed  to
operate,  support new  input/output  (I/O) devices,  or provide other incidental
updates and corrections.

         1.12.  Product  Completion  -- shall  mean the date of Pfizer  Health's
acceptance  of  a  Customized  Product  or  Interface  in  accordance  with  the
parameters set forth in the applicable Work Order.

         1.13.  Quarter -- shall mean any consecutive  three-month period of the
Initial Term, commencing on the Effective Date and each three months thereafter.

         1.14.  Representative  -- of a party shall mean any officer,  director,
employee,  independent  contractor,  agent, assign or any other person or entity
working under the supervision of or at the direction of such party.

         1.15. Source Code -- shall mean the human-readable form of the computer
programming  code and related  Documentation,  including  all  comments  and any
procedural code such as job control language and including any Maintenance

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

Modifications or Basic  Enhancements  thereto created by NHES and made generally
available to its customers  from time to time,  and Major  Enhancements  thereto
when added in connection with a Work Order issued hereunder.

         1.16.  Technology -- shall mean all materials,  processes,  inventions,
works  of  authorship,   techniques,  data,  know  how,  algorithms,   programs,
subroutines,  specifications, tools, testing and maintenance specifications, and
related technology,  that are used in, incorporated in, embodied in or displayed
by any Code or  Source  Code,  or used or  useful  in the  design,  development,
reproduction,  maintenance or  modification  of any Code or Source Code, and all
intellectual property rights, including,  without limitation,  those in patents,
copyrights, and trade secrets in the foregoing.

         1.17. Third Party Product -- shall mean any Code,  Source Code or other
Technology that is owned by a third party.

         1.18.  Work Order -- shall  mean an  agreement  entered  into by Pfizer
Health and NHES pursuant to this  Agreement for the  development of a Customized
Product,  Related  Service,  [Deleted  - see *], or the  provision  of  services
pursuant to Sections 4.2 and 4.3, a form of which is attached hereto as Schedule
C.


              Section 2. SUPPLY OF NHES PRODUCTS AND NHES SERVICES

         2.1.  NHES'  Obligation  to Supply.  (a) NHES  shall  provide to Pfizer
Health all NHES Products and NHES Services ordered by Pfizer Health hereunder at
prices to be determined according to Section 14.2.

         (b) NHES  shall  also  provide to Pfizer  Health  Customized  Products,
Related  Services,  and [Deleted - see *] in accordance  with this Agreement and
pursuant to a Work Order hereunder,  including,  without  limitation,  all Code,
Source Code, Documentation,  Enhancements, and Maintenance Modifications related
thereto, at fees to be determined according to Section 14.3.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         2.2. Pfizer Health's Obligation to Acquire.  (a) Within one (1) year of
the  Effective  Date,  Pfizer  Health shall  acquire the NHES  Products and NHES
Services at the prices  listed on Schedule A hereto in an amount of  $1,375,000,
which shall be payable pursuant to Section 14.1.

         (b)  Pfizer  Health  shall  deliver  to NHES a written  purchase  order
specifying such NHES Products and NHES Services in accordance with Schedule J by
each of the following  dates:  January 15, 1996;  March 15, 1996; June 14, 1996;
and September 13, 1996.


                         Section 3. SOFTWARE DEVELOPMENT

         3.1. Health Risk Assessment  Tool. (a) NHES shall develop the HRA at no
additional  cost to  Pfizer  Health,  pursuant  to the HRA  project  description
attached hereto as Schedule B. NHES shall use its best efforts to develop a more
detailed product description, specifications, and development schedule that meet
Pfizer Health's approval by January 31, 1996.

         (b)  NHES  shall  provide  Enhancements  and  new  releases  to the HRA
pursuant to the Work Order process.

         3.2.  Customized  Products  and Related  Services.  NHES shall  develop
Customized  Products and Related Services upon the execution of, and pursuant to
the terms of, a Work Order.

         3.3.     [Deleted - see *]

         (b) [Deleted - see *] shall be at no additional  cost to Pfizer Health.
The cost to Pfizer Health of any additional  [Deleted - see *] will be set forth
in the related Work Order.


(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                 Section 4. NHES SUPPORT AND CONSULTING SERVICES

         4.1.  Standard  Product  Support  and  Consulting  Services.  (a) NHES,
through its service  department,  shall provide  product  support and consulting
services to Pfizer Health,  its  Affiliates and its Customers,  as set forth in,
and under the terms and  conditions  (including but not limited to cost) of, the
License Agreement attached hereto as Schedule D, or Annual License,  Support and
Maintenance Agreement attached hereto as Schedule E, as applicable, provided the
same is executed and delivered by the applicable user.

 (b)      Such services shall include, but not be limited to:
          (1)      initial software and hardware installation;
          (2)      start-up training; and
          (3)      routine product servicing, including, without limitation, the
                   development  of Maintenance  Modifications  to the Customized
                   Products.

         (c) The cost to Pfizer  Health of support and  consulting  services for
Customized  Products  provided by NHES to Pfizer Health or any of its Affiliates
is set forth in Section 14.3.

         4.2. Additional Product Support and Consulting Services. (a) NHES shall
provide additional product support and consulting services to Pfizer Health, its
Affiliates  and its Customers  upon the issuance of a Work Order  specifying the
requested services and the cost to Pfizer Health, its Affiliate or its Customer,
as applicable.

         (b) NHES  shall  provide  such  services  either  through  its  service
department or, at NHES' discretion,  by subcontracting  such services to a third
party  service  provider  (or  providers)  in  accordance  with the Work  Order;
provided that Pfizer Health approves any such  subcontract,  including,  without
limitation, the subcontractor,  in advance. Pfizer Health's approval of any such
subcontract shall not be unreasonably withheld.

         (c) The cost to Pfizer Health of such support and  consulting  services
provided  by NHES to  Pfizer  Health  or any of its  Affiliates  is set forth in
Section 14.4.

         4.3.  Turnkey  Services.  (a)  NHES  shall  provide  turnkey  services,
including,  but  not  limited  to,  hardware  purchasing,  space  configuration,
training and staffing, to Pfizer Health, its Affiliates, and its Customers, upon
the issuance of a Work Order  specifying the requested  services and the cost to
Pfizer Health, its Affiliate, or its Customer, as applicable.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         (b) NHES  shall  provide  such  services  either  through  its  service
department or, at NHES' discretion,  by subcontracting  such services to a third
party  service  provider  (or  providers)  in  accordance  with the Work  Order;
provided that Pfizer Health approves any such  subcontract,  including,  without
limitation, the subcontractor,  in advance. Pfizer Health's approval of any such
subcontract shall not be unreasonably withheld.

         (c) The cost to Pfizer Health of such support and  consulting  services
provided  by NHES to  Pfizer  Health  or any of its  Affiliates  is set forth in
Section 14.4.

         4.4.  Discontinued  NHES  Products.  (a) NHES shall continue to provide
support  services to Pfizer Health or its Affiliate,  as  applicable,  at Pfizer
Health's  request,  for at  least  the  two  (2)  most  recent  versions  of any
discontinued  NHES  Product for the term of this  Agreement,  and, in any event,
until  Pfizer  Health  or  its  Affiliate,  as  applicable,  has  completed  its
transition to a substitute NHES Product. Such transition period shall not exceed
ninety (90) days.

                  (b) NHES shall  continue  to provide  support  services to any
Customer,  at the  Customer's  request,  for at least  the two (2)  most  recent
versions of any discontinued NHES Product for the term of any applicable License
Agreement  or Annual  License,  Support and  Maintenance  Agreement  and, in any
event,  until the Customer has  completed its  transition  to a substitute  NHES
Product. Such transition period shall not exceed ninety (90) days.


                         Section 5. PROMOTIONAL MATERIAL

         5.1.  Provision of Marketing  Resources.  Pfizer  Health shall  provide
reasonable marketing resources for the development,  production and distribution
of  promotional  material  for the  NHES  Products,  NHES  Services,  Customized
Products,  Related Services and [Deleted - see *], including access to personnel
designated  by Pfizer  Health,  the use of Pfizer  Health's  or its  Affiliates'
vendors  for the  purpose of  obtaining  volume  discounts,  and any  additional
resources designated and agreed to by Pfizer Health.  Reasonable resources shall
not include access to Pfizer Health's or any of its  Affiliates'  pharmaceutical
sales representatives unless Pfizer Health agrees otherwise.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         5.2. Allocation of Cost. If the promotion is initiated by Pfizer Health
or any of its Affiliates, the cost of the promotional material shall be borne by
Pfizer Health.  If the promotion is initiated by NHES or any of its  Affiliates,
the cost of the promotional material shall be borne by NHES.


                         Section 6. CUSTOMER INFORMATION

         6.1. Pfizer Health's Obligation.  Pfizer Health shall provide NHES with
customer information on a confidential basis, as needed, for the sole purpose of
coordinating  sales calls  between  the two  parties,  unless  such  information
violates a confidentiality agreement between Pfizer Health and a Customer.

         6.2.  NHES'  Obligation.  NHES  shall  provide  Pfizer  Health  and its
Affiliates  with  access  to its  customer  database  on a  confidential  basis,
including,  without  limitation,  stand-alone  or on-line  access,  to a limited
number  of  personnel  on a  "need  to know  basis,"  for the  sole  purpose  of
coordinating sales calls between the two parties.


            Section 7. CONTRACT ADMINISTRATION AND PROJECT MANAGEMENT

         7.1. Contract Coordinator.  (a) On the Effective Date, each party shall
notify the other party of the name,  business  address,  and telephone number of
its Contract Coordinator.

         (b)      The Contract Coordinator shall be responsible for:

              (1)  arranging all meetings, visits, and consultations between the
                   parties that are of a non-technical nature;

              (2)  receiving all notices  other than those  described in Section
                   22.12(a),  including,  but  not  limited  to,  all  requests,
                   reports, or approvals under this Agreement; and

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

              (3)  all administrative  matters such as invoices,  payments,  and
                   amendments to the Agreement.

         7.2.  Technical  Coordinator.  Each Work  Order  shall  state the name,
business  address,  and telephone  number of the Technical  Coordinator  of each
party, who may also be the Contract Coordinator. The Technical Coordinator shall
be responsible for performance under such Work Order, including, but not limited
to, the  transmission  and receipt of  Deliverables  and  technical  information
between the parties.

         7.3.  Support  Services  Personnel.  The  following  personnel of NHES'
service  department shall be responsible for NHES'  performance under Section 4:
one  (1)  Manager,  one  (1)  Sales  Specialist,  and  one  (1)  Client  Service
Coordinator.  NHES shall  identify  the Manager  within  ninety (90) days of the
Effective Date, and the Sales Specialist and Client Service  Coordinator  within
one hundred eighty (180) days of the Effective Date.

         7.4.  Issuance  of Work  Orders.  A Work Order may be  originated  by a
written request by Pfizer Health,  a written  proposal by NHES, or other written
instrument by either of the parties,  and shall become  effective,  and shall be
deemed to have issued, upon its execution by authorized  representatives of both
parties.

         7.5.  Notice.  All notice  required or permitted to be given under this
Section  7 shall  be in  writing  and  shall be  deemed  to have  been  given if
personally delivered, faxed (with receipt confirmed) or mailed (by registered or
certified air mail, return receipt  requested),  postage prepaid, to the persons
identified in this Section 7, as  applicable or as designated  from time to time
by written notice.


                               Section 8. CHANGES

         8.1. Changes in Work Order.  (a) Changes in any Work Order,  including,
without limitation,  any Specifications or Deliverables  related thereto,  shall
become  effective  only when a written  change request is executed by authorized
representatives  of both  parties.  Change  requests  that do not  substantially
affect the nature of Deliverables,  their performance or functionality, and that
do not change the total  estimated time for development or provision of services
stated  in the Work  Order by more  than ten  percent  (10%),  or the  estimated
development  cost or  support  cost  stated  in the Work  Order by more than ten
percent (10%), as applicable,  may be requested  and/or accepted by the parties'
Technical Coordinators. All other change requests with respect to this Agreement
or any Work Order must be requested  and/or  accepted by both parties'  Contract
Coordinators.

         (b) NHES may not decline to accept any change  requests that reduce the
cost of  performance,  provided that an equitable  adjustment in compensation is
made for the  out-of-pocket  costs of any  performance  or  preparation  already
undertaken.  NHES further may not decline any change  requests that increase the
cost or magnitude of  performance,  provided that the changes are  reasonable in
scope and result in a commensurate increase in compensation.


(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)


         8.2.  Unused NHES Products and NHES Services.  (a) For any NHES Product
purchased  by Pfizer  Health in the first  Quarter,  NHES hereby  grants  Pfizer
Health  the  option to upgrade  such NHES  Product to a new  version of the NHES
Product during the Initial Term at no additional cost to Pfizer Health under the
terms and  conditions  set forth on Schedules D and E, as  applicable,  or NHES'
standard  form  agreement  for  NHES  Services,  as the  same  may be  hereafter
developed.

         (b) For any NHES  Product or NHES Service  purchased  by Pfizer  Health
during the second,  third and fourth Quarters,  NHES hereby grants Pfizer Health
the option to  exchange  any NHES  Product or NHES  Service  acquired  by Pfizer
Health for any other  NHES  Product  or NHES  Service of the same or  comparable
value during the Initial Term, at no additional cost to Pfizer Health;  provided
that such option is exercised in accordance with Schedule J.

         8.3. Enhancements. (a) For any NHES Product or Customized Product, NHES
shall develop Enhancements in accordance with a Work Order.

         (b) NHES  shall  provide  Pfizer  Health  with  advance  notice  of the
availability of other  Enhancements for  incorporation  into any NHES Product or
Customized Product,  which shall be no later than the advance notice provided to
any third party end-user of such NHES Product or Customized Product.  NHES shall
notify Pfizer Health promptly of any Enhancement, or its intention to develop an
Enhancement,  which is likely to  adversely  affect the  utility of the  subject
matter of a pending Work Order.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         8.4. Delay. NHES agrees to notify Pfizer Health promptly of any factor,
occurrence,  or event coming to its  attention  that NHES believes in good faith
may materially and adversely  affect NHES' ability to meet the  requirements  of
any Work Order issued under this Agreement,  or that NHES believes in good faith
is likely to occasion  any  material  delay in delivery  of  Deliverables.  Such
factors,  occurrences,  and events include,  but are not limited to, the loss or
reassignment of key employees,  threat of strike,  major equipment  failure,  or
threat of Change in Control of NHES.


                              Section 9. OWNERSHIP

         9.1.  NHES  Products  and  NHES  Services.  (a)  Ownership  of all NHES
Products and NHES  Services  shall remain with NHES.  Schedule A identifies  all
NHES Products and NHES Services that are  commercially  available on, or planned
as of, the Effective Date.

         (b) If, at any time during the term of this  Agreement but  independent
of its performance under this Agreement,  NHES develops  additional medical call
center or other demand  management  products or services  that are  commercially
available and are not listed on Schedule A, NHES shall promptly amend Schedule A
to include the same and the prices therefor.

         9.2. Customized Products,  Related Services and Interfaces.  NHES shall
own all Customized  Products,  Related  Services and [Deleted - see *] developed
pursuant to this  Agreement,  including,  but not limited to, all  Deliverables,
Code, Source Code, Derivative Works, and Documentation,  and including all trade
secrets, copyrights, patents, and other intellectual property rights therein and
thereto.


                              Section 10. LICENSES

         10.1 License of NHES Products and NHES Services in the United States.

         (a) License to Use. NHES grants to Pfizer  Health and its  Affiliates a
non-exclusive  license to use the NHES  Products  and NHES  Services  ordered by
Pfizer Health from NHES pursuant to Section 2.2, including,  but not limited to,
any related Technology and any updates, Enhancements, Maintenance Modifications,
or new releases  thereof,  in the United States,  under the terms and conditions
set forth on Schedules D and E, as applicable,  or NHES' standard form agreement
for NHES Services, as the same may be hereafter developed.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         (b)  License  to  Market,   Etc.   NHES  grants  to  Pfizer   Health  a
non-exclusive license to market, distribute,  lease, and sublicense,  during the
term of this  Agreement,  the NHES Products and NHES Services  ordered by Pfizer
Health from NHES  pursuant to Section  2.2,  including,  but not limited to, any
related Technology and any updates, Enhancements,  Maintenance Modifications, or
new releases thereof, to its Customers in the United States,  provided that such
Customers agree to use the NHES Products and NHES Services pursuant to the terms
and conditions of an agreement that is substantially  similar to either Schedule
D or E, as applicable,  or NHES'  standard form agreement for NHES Services,  as
the same may be hereafter developed.

         10.2.    License of [Deleted - see *] in the United States.

         (a) License to Use. NHES hereby grants Pfizer Health and its Affiliates
a perpetual license to use the [Deleted - see *], including, but not limited to,
any related Technology and any updates, Enhancements, Maintenance Modifications,
or new releases thereof, in the United States, under the terms and conditions of
an  agreement  that is  substantially  similar  to  either  Schedule  D or E, as
applicable,  or NHES' standard form agreement for NHES Services, as the same may
be  hereafter  developed.  Such  license  shall  be  exclusive  except  for  the
sublicenses authorized by Section 10.2(b).

         (b)  License  to  Market,  Etc.  NHES  hereby  grants  Pfizer  Health a
perpetual,  exclusive license to market,  distribute,  lease, and sublicense the
[Deleted - see *], including, but not limited to, any related Technology and any
updates,  Enhancements,  Maintenance Modifications,  or new releases thereof, to
its Customers in the United States;  provided that such  Customers  agree to use
the [Deleted see *] pursuant to the terms and conditions of an agreement that is
substantially  similar  to  either  Schedule  D or E, as  applicable,  or  NHES'
standard  form  agreement  for  NHES  Services,  as the  same  may be  hereafter
developed.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         10.3.  License  of Other  Customized  Products,  Related  Services  and
[Deleted - see *] in the United States.

         (a) License to Use. NHES hereby grants Pfizer Health and its Affiliates
a perpetual license to use the Customized Products other than [Deleted - see *],
and Related  Services and [Deleted  see *],  including,  but not limited to, any
related Technology and any updates, Enhancements,  Maintenance Modifications, or
new releases thereof, in the United States, under the terms and conditions of an
agreement  that  is  substantially  similar  to  either  Schedule  D  or  E,  as
applicable,  or NHES' standard form agreement for NHES Services, as the same may
be  hereafter  developed.  Such  license  shall  be  exclusive  except  for  the
sublicenses authorized by Section 10.3(b).

         (b)  License  to  Market,  Etc.  NHES  hereby  grants  Pfizer  Health a
perpetual, exclusive license to market, distribute, lease, and/or sublicense the
Customized  Products  other than  [Deleted  see *],  and  Related  Services  and
Interfaces,  including,  but not  limited  to, any  related  Technology  and any
updates,  Enhancements,  Maintenance Modifications,  or new releases thereof, to
its Customers in the United States;  provided that such  Customers  agree to use
the  Customized  Products ( [Deleted - see *]) and [Deleted - see *] pursuant to
the terms and conditions of an agreement that is substantially similar to either
Schedule  D or E, as  applicable,  or NHES'  standard  form  agreement  for NHES
Services, as the same may be hereafter developed.

         (c)  Exclusivity.  If the exclusivity of the license granted in Section
10.3(b)  causes at least  three (3) lost  opportunities  by NHES to provide  its
medical call center  products to third party  end-users  within any  consecutive
twenty-four  (24)-month  period,  NHES may distribute  the  Customized  Products
(other than  [Deleted - see *]) to third party  end-users in the United  States,
other  than any  other  pharmaceutical  company  or any  Affiliate  thereof  for
perpetual  term and in accordance  with the terms and conditions of the relevant
Work Order  (including any relevant  royalty  payments payable by NHES to Pfizer
Health);  provided that, at Pfizer Health's request,  NHES submits proof of such
loss and causation to Pfizer Health to Pfizer Health's  reasonable  satisfaction
prior to marketing the Customized Products.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         10.4  License  of  [Deleted  - see *] and  Other  Customized  Products,
Related Services and Interfaces Outside the United States.

         (a) License to Use. NHES hereby grants  Pfizer  International  Inc., an
Affiliate  of Pfizer  Health  ("Pfizer  IPG"),  a  perpetual  license to use the
Customized Products, Related Services, and [Deleted - see *], including, but not
limited to, any related  Technology and any updates,  Enhancements,  Maintenance
Modifications,  or new releases  thereof,  under the terms and  conditions of an
agreement  that  is  substantially  similar  to  either  Schedule  D  or  E,  as
applicable,  or NHES' standard form agreement for NHES Services, as the same may
be hereafter  developed.  Such license shall be exclusive  except as provided in
Section 10.4(b) and 10.4(c).

         (b) License to Market,  Etc.  NHES hereby grants Pfizer IPG a perpetual
license to market,  distribute,  lease, and sublicense the Customized  Products,
Related  Services,  and  [Deleted - see *],  including,  but not limited to, any
related Technology and any updates, Enhancements,  Maintenance Modifications, or
new releases  thereof,  to third party  end-users  outside of the United States;
provided that such Customers agree to use the Customized Products and Interfaces
pursuant  to the terms and  conditions  of an  agreement  that is  substantially
similar  to  either  Schedule  D or E, as  applicable,  or NHES'  standard  form
agreement  for  NHES  Services,  as the same may be  hereafter  developed.  Such
license shall be exclusive except as provided in Section 10.4(c).

         (c)  NHES'  Rights.  NHES  shall  retain  the  right  to  use,  market,
distribute,  lease  and  sublicense  the  Customized  Products  to  third  party
end-users  outside of the United  States for the term of this  Agreement and for
twelve (12) months thereafter.

         10.5.    License of Data.

         (a) License to Use. NHES hereby grants Pfizer Health and its Affiliates
a perpetual,  royalty-free  license to use any data or  databases  owned by NHES
that are  reasonably  required by Pfizer Health and its Affiliates for operation
of the NHES Products, NHES Services,  Customized Products, Related Services, and
[Deleted - see *],  provided that such use does not violate any  confidentiality
agreement between NHES and any third party.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         (b) Right to Sublicense.  NHES further grants Pfizer Health a perpetual
right to  sublicense  to its  Customers  the right to use any data or  databases
owned by NHES that are reasonably required by its Customers for operation of the
NHES  Products,  NHES  Services,  Customized  Products,  Related  Services,  and
[Deleted - see *]; provided,  however, that no Customer shall further sublicense
such right.

         10.6.  License  Modifications.  Notwithstanding  the provisions of this
Section  10,  NHES  may  from  time to time  reasonably  modify  the  terms  and
conditions  contained  in  Schedules D and E;  provided,  however,  that no such
modification may adversely affect the rights of Pfizer Health hereunder.


                               Section 11. ESCROW

         11.1. Escrow Agreement.  NHES shall enter into an agreement with Pfizer
Health and an escrow agent to be agreed upon by the parties (the "Escrow Agent")
within thirty (30) days of the Effective  Date, for the deposit and custody with
the Escrow  Agent of the Source Code for any and all NHES  Products,  Customized
Products,  [Deleted  -  see  *],  and  any  other  Deliverables,  including  any
Enhancements and Maintenance Modifications (the "Escrow Agreement").  NHES shall
use  its  best  efforts  to  enter  into  such  agreement  within  such  period.
Notwithstanding the foregoing, Pfizer Health shall not unreasonably withhold its
consent to such Escrow Agreement.

         11.2.  Deposit  and  Custody  of Source  Code.  Pursuant  to the Escrow
Agreement, NHES shall deposit the Source Code described in Section 11.1 with the
Escrow Agent.

         11.3.  Release of Source Code.  (a)  Pursuant to the Escrow  Agreement,
NHES, on 30 days written notice from Pfizer Health,  shall  authorize the Escrow
Agent to release  copies of all Source Code  described in Section 11.1 to Pfizer
Health,  on a  confidential  basis,  in the event that, but only for so long as,
NHES is unable to  perform  its  obligations  under  Section  4, and only to the
extent  Pfizer  Health  reasonably   believes   necessary  for  Pfizer  Health's
performance of such obligations.  Any dispute concerning whether Pfizer Health's
access to the Source Code was reasonably  necessary will be resolved pursuant to
provisions contained in the Escrow Agreement.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         (b) Pfizer  Health shall use the Source Code for the NHES Products only
for the  performance of the services  described in Section 4, and, in any event,
not for distribution to any third party.

         11.4.  Return or Destruction of Source Code for NHES Products.  If NHES
is able to perform its obligations under Section 4 at any time after the release
of the Source  Code for the NHES  Products  pursuant  to Section  11.3,  or upon
termination  of this  Agreement,  whichever  occurs  first,  Pfizer Health shall
return to the Escrow Agent, or destroy, any and all copies of such Source Code.

         11.5.  Verification  and Testing of Source Code. Upon written notice to
NHES and the Escrow Agent, and at Pfizer Health's  expense,  Pfizer Health shall
have the right to appoint a consultant  to conduct tests of the Source Code held
in escrow pursuant to Section 11.1, under the supervision of NHES and subject to
reasonable confidentiality  requirements requested by NHES, to confirm that they
are a correct, current, and complete version of the Deliverables.


                           Section 12. CONFIDENTIALITY

         12.1.  Definition of Confidential  Information.  Pfizer Health and NHES
recognize that, in connection with their performance under this Agreement,  each
of them may disclose to the other information  about the disclosing  party's (or
one of its  Affiliates')  business  or  activities  which  such  party  or  such
Affiliate considers  proprietary and confidential and that, in the course of the
performance  of their  duties  under this  Agreement,  each will create  certain
materials and develop  certain  Software and  Technology  that are not generally
known.  All of such  information of each party and its  Affiliates,  which shall
include all business,  customer,  financial and technical information of a party
or one of its  Affiliates,  all  Technology,  the terms and  provisions  of this
Agreement,  and any other  information  of a party  designated  by that party as
confidential   information,   is   hereafter   referred   to  as   "Confidential
Information,"  except that the existence of this  Agreement  itself shall not be
deemed confidential.

         12.2.  Treatment of Confidential  Information.  The party receiving any
Confidential Information (the "Receiving Party") shall maintain it in confidence
and shall not use it for any purpose  other than the  purposes  contemplated  by
this Agreement.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

Pfizer Health and NHES may disclose the other's  Confidential  Information only:
(1) to the  Representatives of such party (and, in the case of Pfizer Health, to
Pfizer Inc. and the Representatives thereto); and (2) upon the prior approval of
the party disclosing its Confidential Information (the "Disclosing Party").

         12.3.  Exceptions.  (a) The obligations of Section 12.2 shall not apply
to information that the Receiving Party can show to the reasonable  satisfaction
of the Disclosing Party:

              (1)  is  in  the   possession  of  the  Receiving   Party  without
                   obligation  of  confidence  to the  Disclosing  Party  before
                   receipt thereof from the Disclosing Party;

              (2)  is or has become available to the public without fault of the
                   Receiving Party; or

              (3)  is disclosed to the Receiving Party, without restriction,  by
                   a third party who is not under any legal  obligation  (either
                   by agreement with the  disclosing  party or otherwise by law)
                   prohibiting such disclosure.

         (b)  The  Receiving   Party  may  disclose  the  other's   Confidential
Information  in  the  event  it is  required  by law  to  disclose  Confidential
Information to  governmental  agencies or authorities or in connection  with any
litigation or proceeding;  provided, however, that the Receiving Party endeavors
to limit  disclosure  to that  purpose and gives the  Disclosing  Party  written
notice  of any  instance  of  such a  requirement  in  reasonable  time  for the
Disclosing Party to take steps to object to or to limit such disclosure.

         (c) NHES may disclose the  confidential  terms and  conditions  of this
Agreement in connection  with a proposed  material  transaction to a third party
other than a pharmaceutical company upon such third party's consent to treat the
confidential terms and conditions of this Agreement as Confidential  Information
in accordance  with Section 12.2. NHES may disclose the  confidential  terms and
conditions of this Agreement in connection with a proposed material  transaction
to a pharmaceutical company only if Pfizer Health consents in advance in writing
to such disclosure.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         (d) At any time  during  the term of,  and upon  termination  of,  this
Agreement,  each party shall, on the written request of the other party, deliver
to the  requesting  party any  written,  printed  or other  materials  embodying
Confidential  Information  of the  requesting  party in its  possession,  in the
possession of any of its  Representatives,  or, in the case of Pfizer Health, in
the possession of any Representatives of Pfizer Inc.

         12.4. Obligated Persons.  The foregoing  obligations of confidentiality
shall apply to the  Representatives  of the parties and the parties'  Affiliates
and any other person to whom the parties have delivered  copies of, or permitted
access to, such Confidential  Information  pursuant to this Section 12, and each
party shall  identify all  Confidential  Information  in tangible form by either
stamping or otherwise  affixing in a legible manner the term  "CONFIDENTIAL"  on
such tangible form.

         12.5.   Third-party   Confidential   Information.    Any   confidential
information  of a third party that is so  designated  by such third party and is
disclosed to either  Pfizer  Health or NHES in  furtherance  of this  Agreement,
shall be treated  by Pfizer  Health or NHES,  as the case may be, in  accordance
with the  terms  under  which  such  third-party  confidential  information  was
disclosed.

                       Section 13. PREFERRED RELATIONSHIP

         13.1.  Product  Distribution.  (a) During the term of the Agreement and
for six (6) months  thereafter,  NHES shall not enter into any agreement for the
distribution of the NHES Products or NHES Services in the United States with any
other pharmaceutical company or any affiliate thereof.

         (b) During the term of the Agreement and for six (6) months thereafter,
Pfizer Health shall not, for the benefit of its  pharmaceutical  business or the
pharmaceutical  business of any of its Affiliates,  enter into any  distribution
and development  agreement comparable to this Agreement with any of NHES' direct
competitors whose primary business is stand-alone  demand management systems and
services comparable to those provided by NHES hereunder.

         13.2. Product Development. During the term of the Agreement and for six
(6) months thereafter,  NHES shall not develop any customized  products based on
the NHES Products for any other pharmaceutical  company or any Affiliate thereof
for use in the United States.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         13.3. Hiring of  Representatives.  During the term of the Agreement and
for one (1) year  thereafter,  each party and its  Affiliates  shall not hire or
solicit for hire any  Representative of the other party or any of its Affiliates
who has performed any  obligation  under this Agreement or any Work Order issued
hereunder, or who otherwise obtained Confidential Information in connection with
this Agreement.

         13.4 Right of First Refusal. (a) During the term of this Agreement,  if
NHES  desires  to  sell,  assign  or  transfer  any  equity  securities,  or any
securities  convertible  into  equity  securities,   to  another  pharmaceutical
company,   where  such  sale,  assignment  or  transfer  would  result  in  such
pharmaceutical   company's  beneficial  ownership  of  NHES'  equity  securities
representing  in excess of thirty  percent  (30%) of the voting  power of all of
NHES' outstanding equity securities  generally entitled to vote for the election
of directors (the "Noticed Securities"), NHES shall not sell, assign or transfer
the Noticed  Securities  without first sending a written notice to Pfizer Health
setting forth in detail the terms of the proposed  sale,  assignment or transfer
and offering to sell the Noticed Securities to Pfizer Health at the price and on
the terms contained  therein (the "Notice").  Pfizer Health shall have an option
for thirty (30) days from its  receipt of the Notice to elect to  purchase  all,
but not less  than  all,  of the  Noticed  Securities.  The  exercise  of Pfizer
Health's  right to purchase the Noticed  Securities  shall be made in writing to
NHES.  The closing of the purchase of the Noticed  Securities  by Pfizer  Health
shall occur no later than sixty (60) days  following  expiration  of the initial
thirty (30)-day period provided for above.

         (b) If Pfizer Health does not elect to purchase the Noticed  Securities
and NHES fails to transfer the Noticed  Securities within  one-hundred and fifty
(150) days following the expiration of the thirty  (30)-day  period provided for
above, then any sale,  assignment,  or transfer of the Noticed Securities to the
other pharmaceutical  company shall again be subject to Pfizer Health's right of
first refusal as set forth in this Section 13.4.

         (c)  Notwithstanding  the above, Pfizer Health's right of first refusal
shall not apply to any  transfer of the Noticed  Securities  to an  Affiliate of
Pfizer Health.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                    Section 14. PRODUCT AND SERVICE PAYMENTS

         14.1. Advance Payments for NHES Products and NHES Services.  (a) During
the Initial Term,  Pfizer Health shall make the following  minimum  payments for
NHES Products and NHES Services,  at the prices  established in accordance  with
Section 14.2.  Such payments shall be  non-refundable  and made on or before the
dates specified  below,  with the first payment to be made on the Effective Date
by wire transfer;  except that payment for the fourth Quarter shall be made only
in the event that the [Deleted  see *] is  delivered to Pfizer  Health to Pfizer
Health's reasonable satisfaction,  and if so, upon the later of the commencement
of the  fourth  Quarter  or such  delivery  of the  [Deleted  - see *] to Pfizer
Health.

      Quarter       Payment Date                  Amount
      -------       ------------                  ------

         1          Effective Date                $[Deleted - see *]

         2          March 22, 1996                $[Deleted - see *]

         3          June 21, 1996                 $[Deleted - see *]

         4          September 20, 1996            $[Deleted - see *]

         (b) During the Initial Term, Pfizer Health may purchase additional NHES
Products and NHES Services at the prices  established in accordance with Section
14.2.

         14.2.    [Deleted - see *]

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         14.3.    Fees for Customized Product Support and Consulting Services.

         (a) [Deleted - see *]. (1) For the Initial  Term,  Pfizer  Health shall
pay to NHES the  following  fees for  product  support and  consulting  services
relating to the [Deleted - see *] and provided  pursuant to Section 4.1: (i) for
each Tier 1  Customer,  $[Deleted  - see *]; and (ii) for each Tier 2  Customer,
$[Deleted - see *]; except that the  aggregate  amount paid by Pfizer Health for
Tier 1 Customers and Tier 2 Customers  shall not exceed  $[Deleted - see *], and
the aggregate  number of Tier 1 Customers and Tier 2 Customers  shall not exceed
seventy (70) Customers.

         (2) For the Second Term and  Successive  Terms,  NHES and Pfizer Health
shall agree upon support and maintenance  fees at the  commencement of each such
term;  provided that if the parties are unable to agree on such fees, NHES shall
have no further  obligation to provide  consulting and support  services for the
[Deleted - see *] pursuant to Section 4.1.

         (b) Customized Products and Interfaces. Pfizer Health shall pay to NHES
fees for product  support and  consulting  services  relating to the  Customized
Products  other  than  the  [Deleted  - see *] and the  [Deleted  - see *],  and
provided  pursuant  to  Section  4.1,  to be agreed  upon by the  parties in the
relevant  Work Order or  otherwise;  provided  that if the parties are unable to
agree on such fees, NHES shall have no further  obligation to provide consulting
and support  services for such  Customized  Products and Interfaces  pursuant to
Section 4.1.

         14.4.  Fees for Additional  Product  Support and Consulting and Turnkey
Services.  (a) The fee rates for NHES'  services to Pfizer  Health or any of its
Affiliates or Customers  pursuant to Sections 4.2 and 4.3 shall be in the amount
of the average  product support fees charged by NHES in connection with sales of
similar services to other NHES customers that are of similar size and complexity
to the Customer at issue  during the most recent six  (6)-month  period,  as set
forth on Schedule H hereto,  as amended from time to time upon  agreement of the
parties.

         (b)  Such  fees  shall  be  payable  by  Pfizer  Health  or  any of its
Affiliates or Customers  pursuant to a Work Order.  Such payments shall commence
in accordance  with  Schedules D and E, as  applicable,  or NHES'  standard form
agreement for NHES Services, as the same may hereafter be developed.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         14.5. Invoicing.  (a) NHES shall submit invoices on a monthly basis for
charges due or accruing in each  calendar  month to Pfizer  Health for  services
rendered  pursuant  to  Sections  4.2 and 4.3  and  for  Deliverables  delivered
pursuant  to Section 3 at such time or times as payment  becomes  due under each
Work Order.  Invoices shall be addressed to Pfizer Health's Contract Coordinator
and shall specifically refer to the Work Order to which they relate.

         (b)  Each  invoice  shall   separately   set  forth  travel  and  other
out-of-pocket  or cash  expenses,  if  any,  authorized  by  Pfizer  Health  for
reimbursement.  Any  supporting  documentation  reasonably  required  by  Pfizer
Health,  including,  but not limited to,  receipts for air travel,  hotels,  and
rental  cars,  shall  accompany  each  invoice.  Any  extraneous  terms on NHES'
invoices  shall be void and of no  effect,  except  as  otherwise  agreed by the
parties.

         14.6. Sales Commission. NHES shall pay Pfizer Health a sales commission
for Pfizer  Health's  referral to NHES or other  facilitation of sales by Pfizer
Health  of the  NHES  Products,  NHES  Services,  Customized  Products,  Related
Services and  Interfaces  during the Second or Successive  Term, at a rate to be
agreed upon by the parties at the  commencement of the applicable  term.  Pfizer
Health shall not be entitled to sales  commissions  on the placement of products
and services previously ordered by Pfizer Health.


                          Section 15. TERM AND RENEWAL

         15.1.  Term of Agreement.  This  Agreement  shall be effective upon the
Effective Date and shall remain in force for the Initial Term,  unless otherwise
terminated as provided herein.

         15.2.  Renewal of Agreement for Second Term. During the fourth Quarter,
this  Agreement may be renewed for an  additional  three year period upon mutual
written agreement of the parties (the "Second Term"). [Deleted - see *].

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         15.3.  Additional Renewals.  Thereafter,  this Agreement may be renewed
upon mutual written  agreement of the parties for additional  three year periods
(each a  "Successive  Term")  during the last Quarter or the last quarter of the
Second Term or Successive Term, as the case may be.


                             Section 16. TERMINATION

         16.1.  Termination  of  Agreement  by Either  Party.  Either  party may
terminate  this  Agreement,  effective  immediately  upon  receipt  of notice of
default to the other  party,  in the event that the other party  defaults on the
performance  or  observance  of any of the material  terms or conditions of this
Agreement,  including,  without  limitation,  any material breach of warranty or
breach of  confidentiality,  which  default is not remedied  within  thirty (30)
calendar  days after  written  notice  specifying  the nature of the  default is
received by NHES (the "uncured material breach"),  except as provided in Section
16.4.

         16.2.  Termination  of Agreement by Pfizer  Health.  Pfizer  Health may
terminate this Agreement, effective immediately upon NHES's receipt of notice to
NHES,  upon the  occurrence  of any of the  following  events:  (a) a Change  in
Control of NHES or the  transfer or disposal of a  substantial  portion of NHES'
assets necessary for NHES' performance  under this Agreement;  (b) the filing by
or  against  NHES of, or the entry of an order for relief  against  NHES in, any
voluntary or good faith involuntary proceeding under any bankruptcy, insolvency,
reorganization or receivership law (including,  without  limitation,  the United
States Bankruptcy code) or an admission seeking relief as therein allowed, which
filing or order is not vacated  within  ninety (90) calendar days from the entry
thereof;  (c) the appointment of a receiver for all or a substantial  portion of
NHES'  property for a period  exceeding  sixty (60)  calendar  days;  or (d) the
assumption  of custody,  attachment  or  sequestration  by a court of  competent
jurisdiction of all or a significant portion of NHES' property.

         16.3.  Termination of Work Orders.  (a) Should Pfizer Health  terminate
this  Agreement  pursuant to Sections  16.1 or 16.2,  Pfizer  Health may, at its
option,  terminate  any or all Work Orders  outstanding,  upon thirty (30) days'
written notice.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         (b) Either party may terminate a Work Order, effective immediately upon
receipt  of notice of default  to the other  party,  in the event that the other
party  materially  defaults  on  the  performance  or  observance  of any of the
material  terms or conditions of such Work Order,  which default is not remedied
within thirty (30) calendar days after written  notice  specifying the nature of
the default is received by the defaulting party.  Notwithstanding the foregoing,
this  Section  16.3  shall  not apply to a  failure  by Pfizer  Health to meet a
payment  obligation as to which there is a good faith dispute,  up to the amount
of such dispute.

         (c) Upon receipt of notice by either party of  termination  pursuant to
Sections  16.3(a) or 16.3(b),  NHES shall inform  Pfizer Health of the extent to
which  performance has been completed through such date, and collect and deliver
to  Pfizer  Health  whatever  Deliverables  and  other  work  product  have been
developed  pursuant to the applicable  Work Order(s) and then exist, in a manner
to be prescribed  by Pfizer  Health.  NHES shall be paid for all work  performed
pursuant to such Work Order(s)  through the date of  termination,  provided that
such payment shall not be greater than the payment that would have become due if
the work had been completed.

         16.4.  Refusal of Work Orders. If Pfizer Health fails to meet a payment
obligation as to which there is a good faith dispute between the parties,  up to
the amount of such dispute:  (a) NHES may decline to accept any additional  Work
Orders,  provided that it continue to perform in accordance  with this Agreement
and any Work  Orders  then in effect;  and (b) such  failure to pay shall not be
considered an uncured material breach pursuant to Section 16.1.


                 Section 17. EFFECT OF TERMINATION OR EXPIRATION

         17.1.  Deliverables.  Upon termination or expiration of this Agreement,
all completed or partially  completed  Customized  Products,  [Deleted - see *],
related  Documentation and other  Deliverables  developed,  and for which Pfizer
Health has made  payment,  pursuant to this  Agreement and any  applicable  Work
Order, shall be transferred to Pfizer Health.

         17.2  Payments.  (a)  Upon  (1)  expiration  of this  Agreement  or (2)
termination of this Agreement due to either:  (i) an uncured  material breach by

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

NHES under Section 16.1, or (ii) one of the events described in Section 16.2, no
further  amounts (except for amounts past due) will be payable to NHES, and NHES
shall repay to Pfizer  Health any  amounts  received by it that are in excess of
payments due under this  Agreement for work  actually  performed to the point in
time of termination or expiration.

                  (b)  Upon  termination  of this  Agreement  due to an  uncured
material  breach by Pfizer Health under  Section  16.1,  Pfizer Health shall pay
NHES the balance of the $ 1,375,000 due under Section 2.2 of this Agreement, and
shall be entitled to receive NHES Products and NHES Services of the same value.

         17.3.  Winding-Up.  Upon  termination or expiration of this  Agreement,
NHES shall provide the necessary  services for winding up, including services in
connection  with the transition to a substitute  product by Pfizer  Health,  its
Affiliates,  or its  Customers,  as  requested by Pfizer  Health,  to the extent
Pfizer Health agrees to make payments for such services, which payments shall be
at the rates established pursuant to Section 14.2, up to an amount of $50,000.

         17.4.  Survival  Provisions  of  Agreement.  (a)  In the  event  of any
termination or expiration of this Agreement,  the perpetual  licenses granted in
Section 10 and the provisions of Sections 18.1(a),  18.1(b), 18.2, 18.4 and 19.1
hereof  shall  survive and  continue in effect and shall inure to the benefit of
and be  binding  upon  the  parties  and  their  legal  representatives,  heirs,
successors, and assigns.

         (b) In the event of any  termination  or expiration of this  Agreement,
Sections  18.3 and 21.2 hereof  shall  survive and  continue in effect and shall
inure  to the  benefit  of and be  binding  upon the  parties  and  their  legal
representatives,  heirs,  successors,  and assigns for a period of two (2) years
after such termination or expiration.

         17.5.  Survival  of  Confidential  Information.  In  the  event  of any
termination  or  expiration  of this  Agreement,  Section 12 shall  survive  and
continue  in effect and shall  inure to the  benefit of and be binding  upon the
parties and their legal representatives,  heirs,  successors,  and assigns for a
period of five (5) years after  termination  or  expiration  of this  Agreement;
except that Pfizer Health shall  maintain in confidence  all Source Code for the
NHES Products,  including,  without limitation, all Technology and Documentation
related thereto, in accordance with Section 12 of this Agreement in perpetuity.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         17.6.  Survival of Work Order.  Upon  termination or expiration of this
Agreement,  any Work Order then in effect shall continue to remain in effect, at
Pfizer  Health's  sole option,  for the term of the Work Order,  unless the Work
Order is terminated pursuant to Section 16.3.

         17.7.  Survival  of License  Agreement,  Annual  License,  Support  and
Maintenance Agreement and Applicable Warranties.  Upon termination or expiration
of this  Agreement,  any  License  Agreements  and Annual  License,  Support and
Maintenance Agreements in effect on such date of termination or expiration,  and
Sections  18.1(c)  and 18.1(d)  applicable  thereto,  shall  remain in effect in
accordance with the terms of such agreements.

         17.8. Survival of Rights Accrued Prior to Termination.  The exercise of
any right of  termination  under this section  shall not affect any rights which
have accrued prior to  termination  and shall be without  prejudice to any other
legal or equitable  remedies to which the  terminating  party may be entitled by
reason of such rights.


                   Section 18. REPRESENTATIONS AND WARRANTIES

         18.1.  General  Representations  and  Warranties  of NHES.  NHES hereby
represents, warrants and covenants to Pfizer Health that:

         (a) NHES has full  corporate  power and  authority  to enter  into this
Agreement,  and the execution by NHES of this Agreement and the  consummation by
NHES  of  the  transactions  contemplated  by  this  Agreement  have  been  duly
authorized by all necessary  corporate  actions on behalf of NHES; the execution
and delivery of this Agreement by NHES, and the consummation of the transactions
contemplated by this Agreement, do not conflict with or violate: (i) the charter
documents  or by-laws of NHES;  (ii) any  contract or agreement to which NHES or
any of its  Affiliates  is a party,  by which NHES or any of its  Affiliates  is
bound, or to which NHES' or any of its Affiliates' assets are subject;  or (iii)
any applicable law or the order of any court or governmental authority;

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         (b) NHES is the legal and  beneficial  owner of all  rights,  title and
interest in the NHES Products  having good title thereto,  free and clear of any
and all liens,  subject to the licenses  from third parties to NHES set forth in
Schedule F hereto, and the liens on NHES Products provided on Schedule G hereto;

         (c) NHES shall  diligently  perform all NHES Services in a professional
and workmanlike  manner and in accordance with industry  standards and practices
applicable to the performance of such services; and

         (c) The support services  described in the License  Agreement or Annual
License,  Support  and  Maintenance  Agreement,  whichever  is  applicable,  are
sufficient  in NHES'  experience to enable Pfizer Health or a third party to use
and operate NHES Products.

         18.2. Warranty for Infringement.  NHES hereby represents,  warrants and
covenants to Pfizer Health that:

         (a)  NHES  shall  have   obtained  all  the   necessary   licenses  and
authorizations  to use Third Party  Products  before  incorporating  it into, or
using it in connection with, NHES Products,  Customized Products, [Deleted - see
*], or any other  Deliverables;  the incorporation of any Third Party Product in
any NHES Product,  Customized  Product,  Interface,  or  Deliverable  is, to the
extent  necessary,  permitted  by such  third  parties;  the use,  reproduction,
distribution  or  modification   of  any  NHES  Product,   Customized   Product,
Interfaces,  or any other  Deliverable  shall not be in  violation  of any third
party  rights in such Third Party  Product;  and the term of such  licenses  and
authorizations is for the term of the Agreement, and, if longer, the term of the
relevant License Agreement or Annual License, Support and Maintenance Agreement,
as  applicable,  except where such  license  would  violate any  confidentiality
agreement between NHES and a third party.

         (b) Neither  the NHES  Products,  including,  without  limitation,  any
Technology,  nor the copying,  using or selling thereof to the extent  permitted
under this  Agreement or  attachments  hereto,  infringe or are infringed by any
United States copyright,  trade secret,  United States trademark,  United States
patent or any other intellectual property right of any third party in the United
States; and

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         (c) Neither the  Customized  Products,  [Deleted - see *], or any other
Deliverables, the copying, making, using or selling thereof, nor the practice or
use of any process or product to develop such Customized  Products,  Interfaces,
or Deliverables,  including,  without limitation,  any Technology, to the extent
permitted under this Agreement or attachments hereto,  infringe or are infringed
by any United States copyright,  trade secret,  United States trademark,  United
States patent or any other intellectual property right of any third party in the
United States.

         18.3. Warranty of Performance and Reliability.  Without limiting in any
way NHES' support and maintenance  obligations  under this Agreement or any Work
Order, NHES hereby represents, warrants and covenants that:

         (a) Any Deliverable shall conform to the specifications and operational
requirements  set forth in the Work Order for the  development of the Customized
Product or Interface  associated with such  Deliverable and be free from Errors,
defects, and faulty workmanship in accordance with best industry practice;

         (b) The Technology of the NHES Products,  Customized Products, [Deleted
- - see *], and other Deliverables, including, without limitation, all algorithms,
are or shall be free from and do not and shall not contain Errors,  defects,  or
faulty workmanship in accordance with best industry practice, are or shall be as
up-to-date as is reasonably  possible at the time of delivery to Pfizer  Health,
its Affiliates or its  Customers,  and, to the best of NHES'  knowledge,  are or
shall be accurate,  safe,  efficacious  and  complete  for use by qualified  and
competent end-users;

         (c) The Source Code of any NHES Product, Customized Product, Interface,
or any other  Deliverable  (i) is or shall be free from physical  defects in the
media in which it is  embodied  and (ii) does not or shall not  contain  any (A)
"back door," "time bomb," "drop dead" device or other software  routine designed
to disable a computer  program  automatically  with the passage of time or under
the positive  control of any person or (B) any virus,  "Trojan horse," "worm" or
other software routines or hardware  components  designed to permit unauthorized
access,  to disable,  erase or otherwise harm software,  hardware or date, or to
perform any other similar actions;

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         (d) The descriptions of the NHES Product,  Customized Product, [Deleted
- - see *], or any other  Deliverable  contained  in each Work Order are a part of
the basis of the bargain, and the NHES Product,  Customized Product,  Interface,
or any other  Deliverable  shall  conform to such  descriptions  in all material
respects; and

         (e) Upon  completion  of all  performance  obligations  under each Work
Order,  the NHES Product,  Customized  Product,  [Deleted - see *], or any other
Deliverable  shall be reasonably  suitable for its intended purpose as set forth
in the terms of the Work Order.

         18.4. General  Representations and Warranties of Pfizer Health.  Pfizer
Health hereby represents,  warrants and covenants to NHES that Pfizer Health has
full  corporate  power  and  authority  to enter  into this  Agreement,  and the
execution by Pfizer  Health of this  Agreement  and the  consummation  by Pfizer
Health  of the  transactions  contemplated  by this  Agreement  have  been  duly
authorized by all necessary  corporate  actions on behalf of Pfizer Health;  the
execution and delivery of this Agreement by Pfizer Health,  and the consummation
of the  transactions  contemplated  by this  Agreement,  do not conflict with or
violate:  (1) the  charter  documents  or by-laws of Pfizer  Health;  or (2) any
contract or  agreement  to which  Pfizer  Health or any of its  Affiliates  is a
party, by which Pfizer Health or any of its Affiliates is bound, or to which any
of Pfizer Health's or any Affiliates' assets are subject;  or (3) any applicable
law or the order of any court or governmental authority.

         18.5.  LIMITATIONS.  THE  REPRESENTATIONS  AND  WARRANTIES  OF NHES AND
PFIZER HEALTH SET FORTH IN SECTIONS  18.1,  18.2,  18.3, and 18.4 ARE IN LIEU OF
ALL  OTHER  REPRESENTATIONS  OR  WARRANTIES,   EXPRESS,  IMPLIED  OR  STATUTORY,
INCLUDING,  BUT NOT LIMITED TO, ANY IMPLIED  REPRESENTATIONS  OR  WARRANTIES  OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.


                           Section 19. INDEMNIFICATION

         19.1.  Indemnification by NHES. (a) NHES shall indemnify Pfizer Health,
its Affiliates,  and its Representatives and hold them harmless from any and all
claims,  losses,  deficiencies,   damages,  liabilities,   costs,  and  expenses
(including, but not limited to, reasonable attorneys' fees and all related costs
and expenses) incurred by Pfizer

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

Health,  its Affiliates,  or its  Representatives as a result of any third party
claim,  judgment or adjudication against Pfizer Health alleging or arising from:
(1) the infringement by any of the Deliverables of any third party  intellectual
property rights; (2) the intentional misconduct, negligent actions or omissions,
or grossly  negligent  actions or omissions of NHES or its  Representatives,  in
performing  under the terms of this Agreement or any Work Order related thereto;
and (3) any breach or allegation  which, if true,  would  constitute a breach of
any  of  NHES'  obligations,  representations,  covenants  or  warranties  under
Sections 18.1, 18.2 and 18.3; and (4) any product liability arising from the use
of  NHES  Products,  Customized  Products,  [Deleted  - see  *],  or  any  other
Deliverables;  provided that Pfizer Health promptly  notifies NHES in writing of
any such claims and  reasonably  cooperates  with NHES in defending  against any
such claims, at NHES' sole expense.

         (b)  To  the  extent  that  Pfizer  Health,   its  Affiliates  and  its
Representatives  exercise their rights to use the NHES Products,  NHES Services,
Customized Products, Related Services and [Deleted - see *] pursuant to Sections
10.1(a),  10.2(a)(1),  10.3(a),  10.4(a) and 10.5(a), NHES assumes liability for
and hereby agrees to indemnify,  protect and keep harmless  Pfizer  Health,  its
Affiliates,   and  its  Representatives  for,  from  and  against  any  and  all
liabilities, obligations, losses, damages, injuries, claims, demands, penalties,
actions, costs and expenses, including reasonable attorneys' fees, of whatsoever
kind and  nature,  arising  out of any failure on the part of NHES to perform or
comply with its obligations under this Agreement.

         19.2.  Indemnification by Customer. NHES shall obtain an agreement from
each  Customer  to  indemnify,  protect and keep  harmless  Pfizer  Health,  its
Affiliates  and  its   Representatives   for,  from  and  against  any  and  all
liabilities, obligations, losses, damages, injuries, claims, demands, penalties,
actions, costs and expenses, including reasonable attorneys' fees, of whatsoever
kind and nature, arising out of: (1) any failure on the part of such Customer to
perform or comply with its  obligations  under any License  Agreement  or Annual
License,  Support  and  Maintenance  Agreement  in effect;  and (2) any  advice,
information,  health  reference  information or materials  provided  directly or
indirectly  by the  Customer  to an  independent  third party as a result of the
normal use and operation of any NHES Product, NHES Service,  Customized Product,
Related Service or

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

[Deleted - see *];  provided that if the Customer  agrees to provide  additional
indemnification  to NHES,  NHES shall obtain an agreement  from such Customer to
provide  commensurate  indemnification  to Pfizer Health, its Affiliates and its
Representatives.

         19.3.  Indemnification  by  Pfizer  Health.  (a)  Pfizer  Health  shall
indemnify  NHES  and  hold  NHES  harmless  from  any  and all  claims,  losses,
deficiencies,  damages,  liabilities,  costs, and expenses  (including,  but not
limited  to,  reasonable  attorneys'  fees and all related  costs and  expenses)
incurred by NHES as a result of any third party claim,  judgment or adjudication
against NHES alleging or arising from intentional misconduct,  negligent actions
or omissions,  or grossly negligent  actions or omissions of Pfizer Health,  its
Affiliates, or its Representatives,  in performing pursuant to this Agreement or
any Work Order related  thereto;  provided that NHES  promptly  notifies  Pfizer
Health in  writing of any such  claims and  reasonably  cooperates  with  Pfizer
Health in defending against such claims, at Pfizer Health's sole expense.

         (b) Pfizer Health shall  indemnify  NHES in connection  with its use of
any NHES  Products  pursuant to Section  10.1 in  accordance  with the  licensee
indemnification provisions set forth on Schedule D or Schedule E, as applicable.

         19.4.  NHES Insurance.  During the term of this  Agreement,  NHES shall
carry comprehensive property damage and liability insurance,  including, without
limitation,  protection  against product  liability  claims,  with reputable and
financially secure insurance  carrier(s),  affording it coverage consistent with
good business  practice for the size and type of business operated by NHES. This
insurance  shall  cover any actions of Pfizer  Health,  its  Affiliates  and its
Customers  under the  provisions  of this  Agreement  or any Work  Order  issued
hereunder. Additional insurance requirements may be imposed in connection with a
Work Order. Upon request,  NHES shall provide Pfizer Health with certificates of
insurance or other proof of insurance.

         19.5.  Litigation.  (a) In the event that any third party makes a claim
or brings an action  against NHES and/or  Pfizer  Health  directly or indirectly
related to any NHES  Product,  Customized  Product,  [Deleted - see *], or other
Deliverable,  the party  becoming  aware of such claim or action  shall  provide
prompt notice thereof to the other party. The party that pays for the defense or
settlement  of the claim or action  shall  have the  first  right to direct  the
defense or settlement against such claim or action.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         (b) Pfizer  Health  shall bear its own  respective  direct  expenses in
defending  or  settling  such  claim or action  unless  such  claim or action is
subject to the  indemnity by NHES set forth in Section  19.1, in which case NHES
shall bear all of Pfizer Health's reasonable  litigation expenses,  as incurred,
provided that Pfizer  Health  tenders to NHES its right to direct the defense or
settlement against such claim or action.

         (c) If NHES is named as sole  defendant  or  otherwise  undertakes  any
defense of such claim or action, Pfizer Health shall have the right, bearing its
own direct expenses, to join and participate in such defense; provided, however,
that if such claim or action is subject  to the  indemnity  by NHES set forth in
Section  19.1,  NHES shall  bear all of Pfizer  Health's  reasonable  litigation
expenses.  Notwithstanding the above, Pfizer Health shall in no way be obligated
to join or participate in such defense.

         (d)  Notwithstanding  the above, in no event shall NHES settle any such
action in a manner that does or may affect the  continued  rights and ability of
Pfizer Health to use, modify or maintain any NHES Product,  Customized  Product,
[Deleted - see *], or any other Deliverable in the manner permitted by the terms
of this  Agreement  without the prior written  consent of Pfizer  Health,  which
shall not be unreasonably withheld or delayed.

         19.6.  Mitigation  of  Infringement.  (a) In the event that any of NHES
Products,  Customized  Products,  Interfaces,  or  Deliverables  are  alleged to
infringe a third party's  intellectual  property rights,  and counsel for Pfizer
Health  reasonably  concludes that there is a significant  possibility that such
allegation  may  be  upheld  in a  litigation,  in  addition  to  any  indemnity
obligations  which may arise  pursuant to Section  19.1,  NHES shall use it best
efforts to promptly:  (1) procure for Pfizer Health the right to continue  using
the NHES Product,  Customized Product, [Deleted - see *], or Deliverable free of
any liability or  infringement;  (2) provide  Pfizer Health with a  functionally
equivalent, non-infringing replacement for the NHES Product, Customized Product,
[Deleted  -  see  *],  or  Deliverable  otherwise  complying  with  all  of  the
requirements  of this Agreement,  except that such  replacement may deviate from
the specifications,  as then in effect,  provided such replacement does not have
an adverse  effect on the operation or capacity of the NHES Product,  Customized
Product, [Deleted - see *], or Deliverable.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         (b) If the operation of the NHES Product,  Customized Product, [Deleted
- - see *], or Deliverable  would not be adversely  affected by the absence of the
affected NHES Product,  Customized  Product,  [Deleted - see *], or Deliverable,
and NHES is not  reasonably  able to perform  the  options  set forth in Section
19.6(a),  NHES shall use its best  efforts to promptly  repurchase  the affected
NHES Product,  Customized Product, [Deleted - see *], or Deliverable from Pfizer
Health AS IS, WHERE IS and WITH ALL FAULTS,  for an aggregate price equal to the
sum of the total  amounts  theretofore  paid and then payable to NHES under this
Agreement  with  respect  to the  affected  NHES  Product,  Customized  Product,
[Deleted - see *], or  Deliverable,  multiplied by a fraction,  the numerator of
which will be  thirty-six  (36) minus the number of months  since the  Effective
Date, and the  denominator  of which will be thirty-six  (36), if NHES exercises
this  option to  repurchase  the  affected  NHES  Product,  Customized  Product,
[Deleted - see *], or Deliverable  within three (3) years of delivery by NHES of
the Deliverable, and otherwise at no cost to NHES.


                            Section 20. FORCE MAJEURE

         20.1. Limitation on Liability. Neither party will be liable for failure
or delay in  performance  under any Work Order,  and such failure or delay shall
not  constitute  a default  under or breach of this  Agreement or any Work Order
issued hereunder,  for any period and to the extent that the failure or delay is
due in whole or in part to any cause  beyond such  party's  reasonable  control,
including  but not limited to,  action or  inaction  of  governmental,  civil or
military  authority,  delays in  transportation,  sources  of  supply,  material
shortages,  labor  difficulties,  accidents,  Acts of God, or fire,  flood, war,
riot,  earthquake  or any other force  majeure  (hereinafter  "Force  Majeure");
provided,  however,  that:  (i) NHES will use a standard of care  acceptable  in
software  development  industry  practice to protect  against such  failures and
fluctuations  and may not rely on the  provisions of this Section 20.1 to excuse
its failure to exercise such  standard of care;  and (ii) NHES' delay or failure
to perform  will not be excused  by a default  by any of its  subcontractors  or
suppliers  unless  such  failure is  attributable  to a cause that would  excuse

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         20.2.  Notice.  Any party desiring to rely on an event of Force Majeure
as an excuse for its failure or delay in performance hereunder or under any Work
Order shall,  when the cause  arises,  give to the other party prompt  notice in
writing  of the  facts  that  constitute  such  cause;  shall use  diligent  and
determined  efforts to mitigate or overcome the effects  thereof;  and, when the
cause cases to exist,  shall give prompt notice in writing  thereof to the other
party.

         20.3. Pfizer Health's Option to Terminate a Work Order. Notwithstanding
any other  provision  of this  Agreement,  in the event  NHES fails to perform a
material portion of its obligations  under any Work Order for sixty (60) or more
consecutive  days  because  of an  event of Force  Majeure,  and no  alternative
service is agreed upon by the parties during such period, then Pfizer Health may
elect to terminate  such Work Order as of the date specified in a written notice
of termination  delivered to NHES by Pfizer  Health,  which shall be on or after
the date on which the Force Majeure first occurred.

         20.4.   Pfizer   Health's   Option   to   Terminate   this   Agreement.
Notwithstanding  any other provision of this Agreement,  in the event NHES fails
to perform a material portion of its obligations  under this Agreement for sixty
(60) or more  consecutive  days  because  of an event of Force  Majeure,  and no
alternative  service is agreed upon by the  parties  during  such  period,  then
Pfizer Health may elect to terminate  this Agreement as of the date specified in
a written notice of termination  delivered to NHES by Pfizer Health, which shall
be on or after the date on which the Force Majeure first occurred.


                               Section 21. RECORDS

         21.1. Records.  NHES shall keep reasonably accurate records of all work
performed by NHES related to the  development  of each NHES Product,  Customized
Product,  [Deleted - see *], or any other  Deliverable and of any costs incurred
by NHES in  connection  with such work for the term of the Agreement and for two
(2) years  thereafter.  Such records shall clearly and  separately set forth all
relevant  information,  including a detailed  description of the work performed,
the hourly billing rate of the individuals who are involved, the number of hours
(or part thereof)  expended on the task, and the total billable  amount for that
task and any components of NHES's development costs.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         21.2. Audits. NHES shall allow Pfizer Health or its agents, upon Pfizer
Health's request and reasonable prior notice, to inspect,  audit and analyze all
relevant  portions of NHES' books and records relating to any or all of the NHES
Products,  Customized Products,  Interfaces,  and any other Deliverables as they
relate to this  Agreement,  during  business  hours at NHES' place of  business.
Unless otherwise reasonable under the circumstances, such audits shall not occur
more frequently than once per year and shall not commence any later than two (2)
years  subsequent to the  expiration or  termination  of any Work Order.  Pfizer
Health  shall  bear  the  cost of such  inspection  and  audit  unless  material
unauthorized  activities,  materially  improper record keeping or overbilling of
payments  in excess of five  percent  (5%) of the amount  required to be paid by
Pfizer  Health is  discovered,  in which  case NHES  shall bear the cost of such
inspection  and  audit.  Any  overpayment  by Pfizer  Health  shall be  promptly
remitted to Pfizer Health,  together with interest at the prime rate of interest
in  effect  at Chase  Manhattan  Bank,  N.A.,  calculated  from  the  time  such
overpayment was made.


                            Section 22. MISCELLANEOUS

         22.1. Headings.  The headings of the Sections of this Agreement are for
convenience  only and in no way limit or affect the terms or  conditions of this
Agreement.

         22.2.  Governing Law. This Agreement shall be governed by and construed
in accordance with the laws of the State of New York.

         22.3.  Dispute  Resolution.  (a) If a dispute arises between the Pfizer
Health,  its  Affiliates,  its  Customers  and/or NHES in  connection  with this
Agreement or a Work Order submitted in connection therewith,  including, without
limitation,  an  alleged  breach of any  representation  or  warranty  herein or
therein, or a disagreement regarding the interpretation of any section hereof or
thereof (the  "Dispute"),  the parties agree to use the  following  procedure in
good faith prior to any party pursuing other available  judicial or non-judicial
remedies:

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

              (1)  The party alleging non-performance or breach shall deliver to
                   the other  party  written  notice  specifying  in detail  the
                   alleged non-performance or breach (the "Dispute Notice");

              (2)  As soon as is reasonably  practical following the delivery of
                   such  Dispute  Notice,  a meeting  shall be held  between the
                   parties  attended by a  representative  of each party  having
                   decision-making  authority  regarding the Dispute, to attempt
                   in good  faith to  negotiate  a  resolution  of the  Dispute;
                   and/or  to  consider  appropriate   non-binding   alternative
                   dispute  resolution   mechanisms   ("ADRs"),   including  the
                   submission  of the  Dispute to a mediator  or other  mutually
                   acceptable  neutral  person or persons  not  affiliated  with
                   either of the parties.

                  (b)  Notwithstanding  the  foregoing,  nothing in this Section
22.3 shall preclude any party from seeking interim or provisional relief, in the
form of a temporary restraining order,  preliminary  injunction or other interim
equitable  relief  concerning  the  Dispute,  either  prior to or during any ADR
selected by the parties, if necessary to protect the interests of such party.

         22.4.  Jurisdiction.  If the dispute  resolution  process under Section
22.3  does  not  terminate  the  Dispute,  then  it  shall  be  subject  to  the
jurisdiction of the state and federal courts of the state in which the defendant
in such action resides.

         22.5. Severability. If any provision or any portion of any provision of
this  Agreement  is  construed  to be illegal,  invalid or  unenforceable,  such
provision  or portion  thereof  shall be deemed  stricken  and deleted from this
Agreement to the same extent and effect as if it were never incorporated herein,
but all other  provisions of this  Agreement  and the  remaining  portion of any
provision  that is construed  to be illegal,  invalid or  unenforceable  in part
shall  continue  in  full  force  and  effect;   provided  that  such  resulting
construction  of the  Agreement  does  not  frustrate  the main  purpose  of the
Agreement.

         22.6. Entire Agreement. This Agreement, together with all the Schedules
hereto,  constitutes the entire agreement between the parties and supersedes all
previous agreements, promises, representations, understandings and negotiations,
whether written or oral,  between the parties with respect to the subject matter
hereof.  In the event any one or more of the provisions of this Agreement  shall
for any reason be held to be invalid,  illegal or  unenforceable,  the remaining
provisions of this Agreement  shall be  unimpaired.  The terms and conditions of
any  and all  Schedules  to  this  Agreement  are  incorporated  herein  by this
reference  and shall  constitute  part of this  Agreement  as if fully set forth
herein.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         22.7. Publicity. Neither party shall promote or otherwise publicize the
terms and conditions of this Agreement,  any Work Order issued hereunder, or the
Customized  Products,  Related  Services or Interfaces  developed or distributed
thereunder,  without  the prior  approval  of the other  party,  except  for any
disclosures  required by law, in which case the  disclosing  party shall provide
the other party with reasonable advance notice of such disclosure.

         22.8. No Assignment Without Consent.  (a) This Agreement shall inure to
the benefit of and be binding  upon the parties  hereto,  their  successors  and
assigns. The rights granted to each party hereunder are personal in nature.

         (b) NHES shall not sell,  transfer,  lease,  sublicense  or assign this
Agreement,  any of its obligations,  rights and interests hereunder, or any part
thereof,  to any third party,  by operation of law or  otherwise,  without prior
written  consent of Pfizer  Health,  except to a successor  entity in connection
with the sale of  substantially  all of Pfizer  Health's  business,  subject  to
NHES's option to terminate pursuant to Section 16.2.

         (c) Pfizer Health shall not sell, transfer, lease, sublicense or assign
this Agreement,  its obligations,  rights and interests  hereunder,  or any part
thereof to any  unaffiliated  third party,  by  operation  of law or  otherwise,
without  the prior  written  consent of NHES,  except to a  successor  entity in
connection with the sale of substantially all of Pfizer Health's business.

         22.9 No  Relationship  Between  the  Parties.  Neither  NHES nor Pfizer
Health shall represent itself as the agent or legal  representative of the other
or as joint  ventures  for any purpose  whatsoever,  and neither  shall have any
right to create or assume any obligations of any kind,  express or implied,  for
or on behalf of the other in any way whatsoever.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         22.10 Non-Waiver.  A failure of either party to enforce at any time any
term,  provision  or condition  of this  Agreement,  or to exercise any right or
option herein, shall in no way operate as a waiver thereof, nor shall any single
or  partial  exercise  preclude  any  other  right or option  herein;  in no way
whatsoever shall a waiver of any term,  provision or condition of this Agreement
be valid unless in writing,  signed by the waiving party, and only to the extent
set forth in such writing.

         22.11.  Counterparts.  This  Agreement may be executed in any number of
counterparts,  each of which shall be deemed to be an original, and all of which
together shall be deemed to be one and the same instrument.

         22.12 Notices. (a) All legal notices to either party shall be given:

If to Pfizer Health:                  If to NHES:
- --------------------                  -----------

Pfizer Health Sciences, Inc.          National Health Enhancement Systems, Inc.
235 E. 42nd Street                    3200 North Central Avenue, Suite 1750,
New York, New York                    Phoenix, Arizona 85012;
 10017-5755
                                      Attn:  President
Attn:  Secretary                      Telecopy:  (602) 274-6158
Telecopy:  (212) 573-3977
                                      
Copy to:                              Copy to:
- --------                              --------
                                      
Dennis J. Block                       Thomas H. Curzon         
Weil, Gotshal & Manges                Osborn Maledon           
767 Fifth Avenue                      2929 N. Central Avenue   
New York, New York  10153             Suite 2100               
                                      Phoenix, Arizona  85012  
                                                               
Telecopy: (212) 310-8007              Telecopy:  (602) 235-9444
                                                          
         (b) All notices  required or permitted  to be given under  Sections 7.1
and  22.12(a)  shall be given  in  writing  and,  unless  specifically  provided
otherwise in this  Agreement,  shall be deemed to have been given if  personally
delivered,  faxed (with receipt confirmed) or mailed (by registered or certified
air mail, return receipt requested), postage prepaid, to the party concerned, at
its address or addresses as set forth below or as  designated  from time to time
by notice in writing.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

         22.13.  Written  Approval.  All approvals and/or consents required by a
party to this  Agreement  and each Work Order must be requested by such party in
writing to the other party, and all approvals or consents shall not be effective
unless in writing.

         22.14 Schedules.  The following  Schedules referred to in the Agreement
are incorporated in this Agreement in their entirety.

              Schedule A:                Description and Prices of
                                         NHES Products and NHES Services
              Schedule B:                Customized [Deleted - see
                                         *] General Project Description
              Schedule C:                Form of Work Order
              Schedule D:                License Agreement
              Schedule E:                Annual License, Support
                                         and Maintenance Agreement
              Schedule F:                Licenses to NHES from
                                         Third Parties
              Schedule G:                Liens on NHES Products
              Schedule H:                Product Support and
                                         Consulting Rate Fees
              Schedule I:                Present Significant
                                         Owners of NHES Securities
              Schedule J:                Quarterly Purchase
                                         Schedule of NHES Products and NHES 
                                         Services

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                  IN WITNESS  THEREOF,  Pfizer  Health and NHES have caused this
Agreement to be signed and delivered by their duly authorized  officers,  all as
of the date first hereinabove written.


Pfizer Health Sciences, Inc.         National Health Enhancement Systems, Inc.


By:________________________          By: _______________________
Name:______________________          Name:______________________
Title:_____________________          Title:_____________________

<TABLE>
<CAPTION>

                                   Schedule A.

                                   PFIZER INC
                                [Deleted - see *]

                                DEMAND MANAGEMENT

                                                                                    FEES
  PRODUCT                                 DESCRIPTION                          INITIAL*/ANNUAL           AVAILABLE
  -------                                 -----------                          ---------------           ---------

<S>                        <C>                                                  <C>                         <C>    
Centramax Plus -           Installed  system  complete with adult &             [Deleted - see *]           YES
Hospital Systems           pediatric triage  algorithms and related
                           health education databases.             
                           
Centramax Plus -           Installed  system  complete with adult &             [Deleted - see *]           YES
Managed Care               pediatric triage  algorithms and related
( 50,000  Members          health education databases.             
  50,000 -   99,999        
  100,000 - 249,999
  250,000 - 500,000
) 500,000

Pediatric Triage/          Installed  system with pediatric  triage             [Deleted - see *]           YES
Advice System              algorithms    and    health    education     
                           guidelines.                             
                           
Demand Management          Service Bureau for Demand Management and              To Be Defined            Mar - 96
Service Bureau             other call center applications               
                           
- ---------------------------------------------------
*Initial Fee reflects a 20% savings off list price.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)










                                   Schedule A.

                             VOICE RESPONSE SYSTEMS
                             ----------------------

                                                                              FEES   
  PRODUCT                          DESCRIPTION                          INITIAL*/ANNUAL                       AVAILABLE
  -------                          -----------                          ---------------                       ---------


VoiceMax Plus           Installed  audio text  hardware  w/1,200       [Deleted - see *]                           YES
(varies with volume)    health education  scripts and ability to       [Deleted - see *]
8 lines                 customize  or  add   additional   topics       [Deleted - see *]
12 lines                (custom topics at $75 ea.).             
16 lines                        
Communication Plus      National   Service   Bureau   for  audio     Level  Monthly Topics  Monthly Fee            YES
                        library services.                            -----  --------------  -----------
                                                                        1       (500      [Deleted - see *]
                                                                        2       1,250     [Deleted - see *]
                                                                        3       2,000     [Deleted - see *]
                                                                        4       2,750     [Deleted - see *]
                                                                        5       3,500     [Deleted - see *]
                                                                        6       4,250     [Deleted - see *]
                                                                        7       5,000     [Deleted - see *]
                                                                        8       5,750     [Deleted - see *]
                                                                        9       6,500     [Deleted - see *]
                                                                        10      7,250     [Deleted - see *]
                                                                                (7,250    [Deleted - see *]
                                                                        


Parent Advice Line     Installed  audio text  hardware with 250                   [Deleted - see *]                YES
(Installed System)     Pediatric topics for parents.                      
                       
Parent Advice Line     Service    Bureau   audio   text   w/250      Same fee structure as Communication Plus    Nov - 95
                       Pediatric topics for parents.                                  
                       
Physician Test         National  Service  Bureau to disseminate                     To Be Defined                Feb - 96
Results                physician test results.                                 
                       
Practice Information   Service Bureau for Medical  Practice and                     To Be Defined                May - 96
Line                   Information.                            

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   Schedule A.

                             HEALTH RISK ASSESSMENTS

                                                                              FEES   
  PRODUCT                          DESCRIPTION                          INITIAL*/ANNUAL                       AVAILABLE
  -------                          -----------                          ---------------                       ---------

Health Risk            Installed system for HRA processing.            [Deleted - see *]                      Mar - 96
Assessments                                                            [Deleted - see *]
(Installed System)

Health Risk            Service Bureau for HRA processing.          Quantity         Per Test                  Mar - 96
Assessments                                                        --------         --------
(Service Bureau)
                                                                  1 - 1,999      [Deleted - see*]
                                                              2,000 - 2,999      [Deleted - see*]
                                                              3,000 - 4,999      [Deleted - see*]
                                                              5,000 - 9,999      [Deleted - see*]
                                                                     10,000+     Per Quote

</TABLE>

*All availability dates for Products or Services not yet available are estimates
only and may vary.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   Schedule B.

                                [Deleted - see *]

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   Schedule C.

                               FORM OF WORK ORDER


1. General. This Work Order, dated as of _____________________,  is entered into
under the Agreement  between Pfizer Health  Sciences,  Inc. and National  Health
Enhancement Systems, Inc., dated as of December ___, 1995.

2.  Technical Coordinators.

Pfizer Health:                                            NHES:

name:                                                     name:
address:                                                  address:

3.  Summary or Purpose of Statement of Work.

4.  Identification of Preexisting Works.

5.  Estimated Development Cost.

6.  Payment Schedule.

7.  Development Schedule and Performance Milestones.

8.  Completion and Acceptance Criteria.

9.  Estimated Support Cost.

10.  Third Party Subcontractors:
         (a)      Performance Obligations
         (b)      Cost Estimates

11.      Licenses to NHES.

12.  Applicable Royalties, if any.

13.  Other relevant items.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

Pfizer Health Sciences, Inc.

By:________________________
Name:______________________
Title:_____________________

National Health Enhancement Systems, Inc.


By: _______________________
Name: _____________________
Title:_____________________

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   Schedule D.
                                LICENSE AGREEMENT

This   License   Agreement   is   entered   into   as   of   this   ____day   of
___________________, 19____, by and between National Health Enhancement Systems,
Inc.,        a       Delaware        corporation        ("Licensor"),        and
______________________________________________________________________,_________
_________________________,__________________________,________,("Licensee").

Whereas,  each Product (as defined hereunder) is an NHES Product or Deliverable,
as  defined  in the  Development  and  Distribution  Agreement  entered  into on
December _____, 1995, by and between Licensor and Pfizer Health Sciences, Inc.

In  consideration of the mutual promises and subject to the terms and conditions
set forth herein, Licensor and Licensee agree as follows:

1.   DEFINITIONS.

a.   "Product"  shall  have  as its  meaning  the  definition  provided  in each
     Schedule attached hereto.

b.   "Schedule" shall mean any schedule attached hereto.

c.   "License Agreement" shall mean this license agreement.

d.   "Agreement"  shall  mean  the  License  Agreement,  any and  all  Schedules
     attached thereto, and any and all exhibits attached to said Schedules.

2.  LICENSE.
a.  License  Grant.  Licensor  hereby  grants  to  Licensee,  on the  terms  and
conditions of this Agreement,  a license to use each Product or portions thereof
for  Licensee's  own use and  benefit.  The  license to use does not include the
right to reproduce or copy any portion of any Product  except for normal  backup
procedures  by  Licensee,  except as  agreed  to in  writing  by  Licensor.  Any
authorized or  unauthorized  copy of any portion of any Product is, and remains,
entirely  the  property of Licensor  and shall  include all  copyright  or trade
secret  notices  of  Licensor  set forth  thereon or  therein,  or  provided  by
Licensor.  For  purposes of this  Agreement,  "use" of the  "Product"  refers to
physical use of the Product at Licensee's business location. "Physical use" does
not prohibit Licensee from conducting  marketing efforts or solicitation related
to use of the Product outside Licensee's business location.

b. License  Term.  Unless  otherwise  stated,  the license for the Product shall
continue until termination of this Agreement pursuant to Section 6 hereof.

c. Proprietary Rights and Confidentiality. Licensee's rights in each Product are
expressly  limited  to the right of use,  as set forth in this  Section  2, each
Schedule and any exhibits thereto,  which are hereby incorporated herein by this
reference.  Each Product shall at all times remain the property of Licensor, and
Licensee  shall have no right,  title or interest  therein,  except as expressly
stated in this Agreement.  Licensee shall not sublicense, sell, transfer, lease,
assign or  otherwise  make  available  to others its right to use any Product or
copies  thereof,  except as specifically  set forth in this  Agreement,  and any
attempt  to do so shall be null  and  void and of no force or  effect.  Licensee
shall secure and protect each Product and copies thereof in a manner  consistent
with complete  preservation of Licensor's copyright and trade secret rights, and
shall take such  actions to protect and preserve  such rights as Licensee  takes
with respect to its most valuable proprietary  property.  Licensee agrees not to
remove  or  destroy  copyright  notices,   other  confidentiality   legends,  or
proprietary markings placed upon or contained within any Product, and shall copy
the same in full on any copies of any such Product Licensee may make.

d. Injunctive Relief.  Licensee acknowledges that each Product is proprietary in
nature and that  Licensee's  unauthorized  transfer or  disclosure of any of the
Products to a third party would cause great and  irreparable  harm to  Licensor.
Licensee further  acknowledges that, in the event of such unauthorized  transfer
or  disclosure,  Licensor  shall  be  entitled,  as a  matter  of  right,  to an
injunction  from  a  court  of  competent   jurisdiction   restraining   further
unauthorized  disclosures  or use. This right to  injunctive  relief shall be in
addition to any other rights or remedies  which  Licensor  may have  pursuant to
this Agreement, or at law, including,  without limitation,  the right to recover
monetary damages, whether compensatory or punitive.

e. Further  Restrictions  on Use.  Licensee may not, and may not cause or permit
any other person to, reverse compile, disassemble,  decode, copy, modify, alter,
electronically  transfer,  sublicense any Product or any portion thereof, except
as  stipulated  in  the  related   software  user's  manual  for  normal  backup
procedures, or with the express prior written consent of Licensor.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                LICENSE AGREEMENT


f.  Copyrights.  No copyright  license is granted to Licensee in any copyrighted
materials obtained from Licensor.

g. Possession of Product.  Licensee shall not, without the prior written consent
of  Licensor,  knowingly  or willingly  part with  possession  or control of, or
suffer or allow to pass out of its  possession  or  control,  any  Product,  and
Licensee shall take all  reasonable  precautions to ensure that any Product does
not pass out of Licensee's possession or control. Licensee shall promptly notify
Licensor  of all  details of any  claimed  encumbrances  upon,  or any  accident
allegedly resulting from the use or operation of any Product.

3. CLIENT  QUALITY  CONTROL  REQUIREMENTS.  To preserve  and protect  Licensor's
service marks and other proprietary rights, Licensee agrees, among other things,
to do each of the following:

a.   Administer   and  conduct  each  Product  in  accordance   with   operating
instructions,  specifications  and  recommendations  made  by  Licensor.  It  is
understood and agreed that, except for quality control necessary to preserve and
protect Licensor's  proprietary  marks, if applicable,  Licensee shall have full
and  sole  authority  and  responsibility  for  implementing,   marketing,   and
administering  each Product and providing  advice or  information to patients or
members of the general public,  whether or not such  information is based on the
use of the Product.

b.  Licensee  shall  participate  and cooperate  with  Licensor in  accumulating
certain Licensee information. Each quarter, Licensee shall provide Licensor with
certain performance data from the use of each Product,  as reasonably  requested
by Licensor.  Such information  shall be kept  confidential by Licensor and used
strictly  as  statistical   information  to  be  shared  with  other  authorized
licensees.

4.       EVENTS OF DEFAULT BY LICENSEE.

a. Definition.  "Event of Default by Licensee" shall mean those events described
in (b) and (c) below:

b.  Individual  Schedules.  Licensee  shall be in  default  under  this  License
Agreement as it relates to any individual Schedule, upon the happening of any of
the following events or conditions:

         (i) Any default with respect to such Schedule by Licensee under Section
2 of this License  Agreement  and failure to cure the default  immediately  upon
receipt of written notice from Licensor.

         (ii) Any default by Licensee in the performance or payment of any other
obligation  now or hereafter owed by Licensee to Licensor under such Schedule or
this License  Agreement as it relates to that  Schedule and the  continuance  of
such default for thirty (30)  consecutive  days after receipt of written  notice
from Licensor,  except that, with respect to defaults under Section 3.a. of this
License  Agreement as it relates to such  Schedule,  Licensee  shall have ninety
(90) days to cure default after receipt of written notice from Licensor;

c. The Agreement.  Licensee shall be in default of the entire Agreement upon the
dissolution,  liquidation  or  termination  of  the  existing  Licensee  or  the
discontinuance  of its  business,  the  insolvency  or  business  failure of, or
appointment  of a receiver for any part of the property,  or assignment  for the
benefit of creditors of, Licensee, or the commencement by or against Licensee of
bankruptcy or insolvency  proceedings  which is not dismissed within ninety (90)
days.

No express or implied  waiver by  Licensor  of any Event of Default by  Licensee
hereunder  shall in any way be, or be construed to be, a waiver of any future or
subsequent Event of Default by Licensee, whether similar in kind or otherwise.

5.       EVENTS OF DEFAULT BY LICENSOR.

a. Definition.  "Event of Default by Licensor" shall mean those events described
in (b) and (c) below:

b.  Individual  Schedules.  Licensor  shall be in  default  under  this  License
Agreement as it relates to any individual Schedule, upon the happening of any of
the following  events or conditions:  a material  default in the  performance or
payment of any  obligation  now or hereafter  owed by Licensor to Licensee under
said  Schedule or the License  Agreement as it relates to said  Schedule and the
continuance of such default for thirty (30) days after receipt of written notice
from Licensee to Licensor of such default.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                LICENSE AGREEMENT

c. The Agreement.  Licensor shall be in default of the entire Agreement upon the
happening  of  any of the  following  events  or  conditions:  The  dissolution,
liquidation or termination of Licensor;  the discontinuance of its business, the
insolvency or business  failure of, or appointment of a receiver for any part of
the property,  or  assignment  for the benefit of creditors  of,  Licensor;  the
commencement  by or against  Licensor of bankruptcy  or  insolvency  proceedings
which are not dismissed in ninety (90) days.

No express or implied  waiver by  Licensee  of any Event of Default by  Licensor
hereunder  shall in any way be, or be construed to be, a waiver of any future or
subsequent Event of Default by Licensor, whether similar in kind or otherwise.

6.  TERMINATION  AND LICENSE  TERM.  This License  Agreement  is effective  with
respect to any Schedule so long as such Schedule remains in effect.

a. Termination by Licensee During Operation. Licensee may terminate this License
Agreement  as it relates to any  individual  Schedule  (i) by providing at least
twelve (12) months prior written  notice to Licensor or (ii) upon the occurrence
of an Event of Default by Licensor.  Licensee may terminate the entire Agreement
(i) by providing at least twelve (12) months prior written notice to Licensor or
(ii) upon the occurrence of an event described in Section 5.c. above.

b. Termination by Licensor.  Licensor may terminate this License Agreement as it
relates to any individual Schedule upon the occurrence of any event described in
Section 4.b. by delivering  written notice to Licensee  specifying the nature of
the default.  Licensor may terminate the entire Agreement upon the occurrence of
any event  described  in Section  4.c.  above by  delivering  written  notice to
Licensee, specifying the nature of the default.

c. Licensee's  Obligations Upon Termination.  Licensee agrees that promptly upon
the termination of this Agreement, or any portion thereof, Licensee shall return
to  Licensor  any  Product  or  portion  thereof,  including  any  copies of the
foregoing,  provided  under  the  terminated  portion(s)  of  the  Agreement  in
Licensee's  possession.  Upon such  termination,  Licensee  shall not make,  nor
permit,  the use of any such Product or copy thereof.  The provisions of Section
2.c. of this License  Agreement  concerning  confidentiality  shall  survive the
termination of the Agreement or any portion thereof.

d. Client Support  Services.  Upon  termination  pursuant to this Section 6, the
client support services provided in the Schedule(s) subject to termination shall
be discontinued.

e. No Release. Except as the parties otherwise may agree, or as expressly stated
herein, no termination shall release Licensor or Licensee from any liability for
recoverable   damages  caused  by  that  party's  material  default  under  this
Agreement.

7. RISK OF LOSS. All risk of loss, damage, theft or destruction to any equipment
or other personal  property,  including any device on which any Product resides,
in Licensee's possession and control shall be borne by Licensee.

8. INDEMNIFICATION.

a. Except for any obligation  disclaimed  pursuant to Section 9.c.  herein,  and
matters as to which  Licensee  is  required to  indemnify  Licensor  pursuant to
Section 8.b. and c. herein,  Licensor assumes liability for and hereby agrees to
indemnify,  protect  and  keep  harmless  Licensee,  its  officers,   directors,
shareholders,  agents,  employees  and assigns for, from and against any and all
liabilities, obligations, losses, damages, injuries, claims, demands, penalties,
actions, costs and expenses, including reasonable attorneys' fees, of whatsoever
kind and  nature,  arising out of any failure on the part of Licensor to perform
or  comply  with its  obligations  under  the  Agreement.  The  indemnities  and
assumptions of liabilities and obligations herein provided for shall continue in
full force and effect  notwithstanding  the  expiration or other  termination of
this Agreement.  Nothing contained in this Agreement shall authorize Licensee or
any other  person to operate any portion of any Product so as to incur or impose
any liability or obligation for, or on behalf of, Licensor.

b. Licensee assumes  liability for, and hereby agrees to indemnify,  protect and
keep  harmless  Licensor,  its  officers,   directors,   shareholders,   agents,
employees,  and  assigns,  and  Pfizer  Health  Sciences,  Inc.,  its  officers,
directors, shareholders, agents, employees, assigns and affiliates for, from and
against any and all liabilities, obligations, losses, damages, injuries, claims,
demands, penalties, actions, costs and expenses, including reasonable attorneys'
fees, of whatsoever  kind and nature,  arising out of any failure on the part of
Licensee to perform or comply with its obligations under this Agreement.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                LICENSE AGREEMENT


c. Except to the extent of Licensor's indemnity  obligations under Section 8.a.,
Licensee assumes liability for, and hereby agrees to indemnify, protect and keep
harmless Licensor, its officers, directors, shareholders, agents, employees, and
assigns,   and  Pfizer  Health   Sciences,   Inc.,   its  officers,   directors,
shareholders,  agents,  employees,  assigns and affiliates for, from and against
any  and all  liabilities,  obligations,  losses,  damages,  inquiries,  claims,
demands, penalties, actions, costs and expenses, including reasonable attorney's
fees, of whatsoever kind and nature, arising out of advice, information,  health
reference information or materials,  provided directly or indirectly by Licensee
or a representative of Licensee to an independent third party as a result of the
normal use and operation of any Product.

d. Licensee  represents to Licensor  that  Licensee has  professional  liability
insurance and Licensee shall  maintain  professional  liability  insurance in at
least such amount  during the term of this  Agreement and for a five year period
thereafter.  Upon  Licensor's  request,  Licensee will provide  certificates  of
insurance  or other  evidence  reasonably  demonstrating  compliance  with  this
Section.

9. WARRANTY AND DISCLAIMERS.

a.       Warranty.
         (i) Licensor  represents and warrants that it has the title or right to
grant to Licensee the license described herein for use of each Product.

         (ii) Licensor  warrants that each Product will conform to the features,
function  descriptions  and  specifications  of such  Product  set forth in user
documentation and other written instructions provided by Licensor. This warranty
is  conditioned  upon Licensee  using each Product in  accordance  with the user
documentation  and other  instructions  provided by Licensor with respect to the
Product  and shall be null and void if Licensee  alters or modifies  the Product
without the prior written consent of Licensor.

b.  Infringement.  Licensor  further  represents  and warrants to Licensee  that
Licensor,  at its own  expense  and in timely  fashion,  will  defend,  protect,
indemnify and hold Licensee  harmless against any and all liabilities,  damages,
costs and expenses,  including  reasonable  attorneys'  fees, which Licensee may
incur or be held liable for by reason of any action,  suit,  proceeding or claim
instituted  against  Licensee by any third party for  infringement of any United
States patent, copyright,  trademark, trade secrets or other proprietary rights,
based upon Licensee's use of any Product in unmodified  form,  provided that (1)
Licensee  promptly  notifies  Licensor  in  writing  of any such  action,  suit,
proceeding  or claim  and  cooperates  fully  (at no  out-of-pocket  expense  to
Licensee)  with  Licensor  in the defense  thereof,  and (2)  Licensor  has sole
control of the defense and any related settlement  negotiations.  If any Product
is, in  Licensor's  opinion,  likely to become or does  become the  subject of a
claim of infringement or misappropriation of a patent,  copyright,  trade secret
or other  proprietary  right,  Licensor  may,  in addition to its rights in this
Section and at  Licensor's  election,  (a)  promptly  replace the Product with a
compatible,  functionally equivalent non-infringing Product, (b) promptly modify
the Product to make it non-infringing  without materially  impairing  Licensee's
ability to use the  Product  as  intended,  (c)  promptly  procure  the right of
Licensee to continue  using the  Product,  or (d) refund the pro rata portion of
Licensee's  prepaid  license  fee (based on a useful  life of two (2) years) and
maintenance  fees,  and the license for such Product shall be  terminated.  This
indemnity  does not extend to  modifications  of any Product made by Licensee or
any third party or to any unauthorized use of any Product.

c.  Disclaimer;  Limitations of Remedies.  EXCEPT FOR THE EXPRESS  WARRANTIES IN
SUBSECTIONS  (a) and (b) OF THIS SECTION 9 AND THOSE  EXPRESSLY  PROVIDED FOR IN
ANY  SCHEDULE OR EXHIBITS  ATTACHED  THERETO,  THERE ARE NO  REPRESENTATIONS  OR
WARRANTIES  OF ANY KIND,  EXPRESS OR IMPLIED,  WITH RESPECT TO THE  CONDITION OR
PERFORMANCE  OF ANY PRODUCT OR THE  MERCHANTABILITY  OR FITNESS  FOR  PARTICULAR
PURPOSE  THEREOF.  THUS,  SUCH  WARRANTIES  ARE IN LIEU OF ALL OTHER  WARRANTIES
CONCERNING  PRODUCTS  OR  SERVICES  PROVIDED  BY  LICENSOR,  EXPRESS OR IMPLIED,
INCLUDING,  BUT NOT LIMITED TO, THE IMPLIED  WARRANTIES OF  MERCHANTABILITY  AND
FITNESS FOR A PARTICULAR PURPOSE, AS MAY RELATE IN ANY WAY TO THE PRODUCT. IN NO
EVENT,  EVEN IF ADVISED OF THE  POSSIBILITY  OF SUCH  DAMAGES,  WILL LICENSOR BE
LIABLE  TO  LICENSEE  FOR ANY  DAMAGES,  INCLUDING  ANY LOSS OF  GOODWILL,  LOST
PROFITS,  LOST SAVINGS OR OTHER INCIDENTAL OR CONSEQUENTIAL  DAMAGES ARISING OUT
OF THE USE OF OR INABILITY TO USE ANY PRODUCT.

Licensee  assumes  responsibility  for the  selection of each Product to achieve
Licensee's  intended  results,  and for the  installation,  use and the  results
obtained from that Product,  including without  limitation  provision of advice,
information,  health reference  information or materials to Licensee's customers
or third parties.

d. The  foregoing  warranties  are subject to  modification  as provided in each
Schedule and any exhibits attached thereto.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                LICENSE AGREEMENT


10.  REMEDIES OF LICENSOR  AND  LICENSEE.  Upon the  occurrence  of any Event of
Default by Licensee and at any time  thereafter,  Licensor may,  without further
notice,  exercise either  simultaneously  or successively any one or more of the
following remedies, as Licensor in its sole discretion may elect:

a. Terminate any applicable portion of the Agreement pursuant to Section 6;

b. Take possession of any Product  provided by any Schedule subject to the Event
of Default by Licensee and all copies  thereof  without any  liability for suit,
action or other proceeding by Licensee;

c. Cause Licensee at its expense promptly to return each Product provided by any
Schedule  subject  to the Event of Default  by  Licensee  and all copies of such
Product to Licensor;

d. Use, hold, sell or otherwise dispose of Licensee's interest in (i) the entire
Agreement,  if the entire  Agreement  is subject  to  default  pursuant  to 4.c.
hereof,  (ii) any  portion  of the  Agreement  which is  subject  to an Event of
Default by the  Licensee,  or (iii) any Product or any item thereof  provided by
any Schedule subject to default,  in accordance with the Uniform Commercial Code
and, if notice  thereof is  required  by law,  any notice in writing of any such
sale by Licensor  to  Licensee  at least ten (10) days  before the date  thereof
shall constitute reasonable notice thereof to Licensee; and

e.  Proceed  by  appropriate  action  either  at law  or in  equity  to  enforce
performance  by Licensee of the  applicable  covenants  of this  Agreement or to
recover damages for the breach thereof.

Upon the  occurrence  of any Event of  Default by the  Licensor  and at any time
thereafter,  Licensee may,  without further notice,  exercise any one or more of
the following remedies, at its sole discretion:

f. Terminate any applicable portion of the Agreement, pursuant to Section 6;

g.  Proceed  by  appropriate  action  either  at law  or in  equity  to  enforce
performance  by Licensor of the  applicable  covenants  of this  Agreement or to
recover damages for the breach thereof.

h.  Continue to use each  Product in  accordance  with the terms and  conditions
(including  applicable  fee  provisions)  of this  Agreement  as if no  Event of
Default by Licensor had occurred.

Subject to Section 9 of this License  Agreement  and any express  limitation  on
remedies in any Schedule or any exhibits attached thereto,  none of the remedies
under this License  Agreement  are intended to be  exclusive,  but each shall be
cumulative  and in addition to any other remedy  referred to herein or otherwise
available  to  Licensor or Licensee  in law or in equity.  Any  repossession  or
subsequent  sale by  Licensor of any  interest  in any Product  shall not bar an
action for  damages as herein  provided,  and the  bringing  of an action or the
entry  of the  judgment  against  Licensee  shall  not bar  Licensor's  right to
repossess any or all items of any Product.

11. TAXES.  Licensee shall keep each Product free and clear of all levies, liens
and encumbrances  and shall pay all assessments,  license fees, taxes (including
sales, use, excise, stamp,  documentary,  personal property and other taxes) and
all other  governmental  charges,  fees,  fines or  penalties  whatsoever  on or
relating to each  Product or the use,  shipment,  transportation,  delivery,  or
operation  thereof,  and on or relating to this  Agreement or services  provided
pursuant  thereto,  except that the  foregoing  shall not include any federal or
state income taxes or taxes based upon ownership of any Product imposed upon and
payable by Licensor.

In the event use or sales taxes (or similar excise taxes) are properly  assessed
or assessable on Licensee's use of any materials,  items or information acquired
by it pursuant  hereto and  Licensor has a  collection  obligation  with respect
thereto,  Licensee agrees to cooperate with Licensor in connection therewith and
to pay  promptly  all such  taxes and any  interest  and  penalties  in  respect
thereof.

12. GENERAL PROVISIONS.

a. Acceptable by Authorized Agent. This Agreement and attached Schedule(s) shall
be binding on Licensor  only upon being  accepted  in writing by the  President,
Chief Operating Officer or Chief Financial Officer of Licensor.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                LICENSE AGREEMENT


b.  Notice.  Any notice to any party under this  Agreement  shall be in writing,
shall be effective  on the earlier of (i) the date when  received by such party,
or (ii) the date  which is three (3) days after  mailing  (postage  prepaid)  by
certified or registered mail, return receipt  requested,  to the address of such
party set forth herein,  or to such other address as shall have  previously been
specified in writing by such party to all parties hereto.

c.  Attorneys'  Fees. If suit is brought or an attorney is retained by any party
to this Agreement to enforce the terms of this Agreement or to collect any money
due  hereunder,  or to collect money damages for breach  hereof,  the prevailing
party  shall  be  entitled  to  recover,   in  addition  to  any  other  remedy,
reimbursement   for  reasonable   attorneys'   fees,   court  costs,   costs  of
investigation and other related expenses incurred in connection therewith.

d. Integration and Governing Law. This Agreement represents the entire agreement
of the parties on the subject  matter hereof,  and all  agreements  entered into
prior  hereto,   are  revoked  and   superseded  by  this   Agreement,   and  no
representations,  warranties,  inducements or oral  agreements have been made by
any  of  the  parties   except  as  expressly  set  forth  herein  or  in  other
contemporaneous written agreements.  This Agreement may not be changed, modified
or rescinded except in writing, signed by all parties hereto, and any attempt at
oral  modification  of this  Agreement  shall  be void  and of no  effect.  This
Agreement shall be deemed to be made under, and shall be construed in accordance
with and shall be governed  by, the laws of  Arizona,  as if both  parties  were
residents  of Arizona and the  Agreement  were to be performed  entirely  within
Arizona.

e. Interest on Overdue Amounts.  Amounts past due thirty (30) days or more shall
bear  interest  at the lower  rate of  eighteen  percent  (18%) per annum or the
highest rate permitted by law until paid,  and in connection  with such past due
amounts,  Licensee shall pay an annual  service  charge of  Twenty-Five  Dollars
($25.00).

f. No Waiver of  Remedies.  Nothing  in this  Agreement  shall be  construed  to
eliminate or waive any remedies at law or in equity to either party.


g.  Incorporation  of Schedules and Exhibits.  Any schedule or exhibit  attached
hereto shall be deemed to have been incorporated herein by this reference,  with
the same force and effect as if fully set forth in the body hereof.

h.  Severability.  If any  provision  of  this  Agreement  is  declared  void or
unenforceable, such provision shall be deemed severed from this Agreement, which
shall otherwise remain in full force and effect.

i.  Other.  Licensee  agrees  not to solicit  or hire or employ an  employee  of
Licensor without written consent of Licensor.

13. Escrow of Source Code. At the written request from Licensee,  Licensor shall
deposit in escrow with Record Management Systems,  Inc. ("Escrow Holder") a copy
of the most current  version of the source code for any and all portions of each
Product owned by Licensor and all additional relevant documentation required for
an  experienced  programmer/analyst  to reasonably  understand and maintain such
portion  of the  Product,  brought  up to date to the  date of  delivery  of the
Product,   and  Licensor   shall   continue  to  update  such  source  code  and
documentation as the Product is updated in accordance with this Agreement.  Such
source code and documentation shall be released by the Escrow Holder to Licensee
in the event  that  Licensor  is  unable to  perform  and meet its  support  and
maintenance  obligations  under the License  Agreement.  Licensor shall have the
right to change and replace escrow holder with another  qualified escrow holder.
Licensor  will notify  Licensee,  in  writing,  of the new escrow and certify in
writing  that the source code of each such Product has been  transferred  to new
escrow holder.

EXECUTED as of the first date set forth above.
National Health Enhancement Systems, Inc.                 Licensee
3200 North Central Avenue, Suite 1750
Phoenix, Arizona 85012                                    ______________________
                                                          Print Name of Licensee


_____________________________________                     ______________________
Authorized Agent                                          Authorized Agent


_____________________________________                     ______________________
Print Name of Agent                                       Print Name of Agent

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   Schedule E.

                Annual License, Support and Maintenance Agreement
                                    (Pfizer)


This  Schedule  amends and  supplements  that certain  License  Agreement by and
between  National  Health  Enhancement  Systems,  Inc.,  a Delaware  corporation
("Licensor"),  and , ("Licensee")  dated . All capitalized terms used herein and
not otherwise defined herein shall have the meanings  expressly assigned thereto
in the  License  Agreement.  In the event of any  conflict  between  any term or
condition  in the  License  Agreement  and in this  Schedule  (or  any  exhibits
attached hereto), the terms and conditions of this Schedule shall control.  This
Schedule is dated .


1. DEFINITIONS.

a.  The  term  "Product"  means:  (i)  the  CENTRAMAX.  M(TM)  software  product
("CENTRAMAX. M" or "Software"), (ii) the HEALTH REFERENCE INFORMATION SYSTEM(TM)
("HRIS"),  (iii) the related CENTRAMAX.  M user's manuals ("User's Manuals") and
(iv)  other  proprietary  materials  related to the  Software  and HRIS that are
provided by Licensor  (collectively,  the User's  Manuals and other  proprietary
materials shall be referred to as the "Related Materials").

b. The term "License" means: the terms and conditions of the License  Agreement,
this Schedule and any exhibits attached hereto.


2. FEES TO BE PAID BY LICENSEE; DELIVERABLE BY LICENSOR.

a. Annual License,  Support Fee and Third Party License Fee.  Licensee shall pay
Licensor an Annual Support Fee of Dollars ($ ) ("License and Support Fee").  The
License and Support Fee entitles Licensee to continued use of the Product and to
the  Client  Support  Services  for the  Product as defined in Section 4 of this
Schedule.  Licensee  shall pay to  Licensor a Third  Party  License  Fee of ($ )
("Third Party License Fee").  The Third Party License Fee is to support the cost
incurred by Licensor for third party vendor obligations of the Product. Together
the  License,  Support  Fee and Third Party  License  Fee shall be  collectively
referred to hereafter as "Annual  Fee".  The Annual Fee shall be due beginning ,
19 and  thereafter  the  Annual  Support  Fee  shall  be  paid  annually  on the
anniversary  date of this  Schedule,  within  thirty  (30) days from the date of
invoice. Each payment shall be in the form of a check payable to National Health
Enhancement  Systems,  Inc.  Licensor  may  increase  the  Annual  Fee once each
calendar year ("Annual Adjustment").  The Annual Adjustment shall be the greater
of (i) five percent (5%) of the then Annual Fee or (ii) an adjustment based upon
the "United States City Average (All Urban Consumers) -- All Items" index of the
Consumer Price Index published by the Bureau of Labor Statistics,  United States
Department of Labor ("CPI").  The CPI adjustment shall be calculated as follows:
The Annual Fee to be adjusted  shall be multiplied by a fraction.  The numerator
of this fraction shall be the CPI for the most recent month for which the CPI is
available at the time the adjustment calculation is made. The denominator of the
fraction  shall  be the CPI for the  month  in  which  the  most  recent  Annual
Adjustment was made. The CPI in the numerator and the denominator shall have the
same base year.  In no case,  however,  shall the  application  of this  formula
result in the reduction of the Annual Fee.

b. Confidential  Price. The pricing in this License is confidential and Licensee
agrees not to disclose  the  purchase  price or terms of this  License  with any
third party other than as required by law.


3. LICENSE.  The license granted pursuant to Section 2 of the License  Agreement
with  respect  to the  Product  set  forth  in  this  Schedule  is a  perpetual,
nonexclusive and nontransferable license to use the Product,  subject to earlier
termination in accordance with Section 6 of the License Agreement.  This license
does not extend to multiple geographic locations. Multiple copies of the License
and the Product must be purchased for multiple locations.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   SCHEDULE E

                Annual License, Support and Maintenance Agreement
                                    (Pfizer)


4. CLIENT SUPPORT SERVICES.

a.  Maintenance.  Licensor  will  provide to  Licensee  maintenance  and support
services as hereinafter  set forth for the most current version of each Software
program. The period for the rendering of such services shall be annual and shall
be  automatically  renewed each year unless either party terminates this License
upon written notice as provided for in Section 6 of the License Agreement.

b. Maintenance  Fees. The maintenance and support fees for each Software program
shall be determined as provided  herein.  Fees for maintenance and support shall
be invoiced by Licensor  annually and shall be payable by Licensee within thirty
(30) days after receipt of invoice by Licensee.

c. Maintenance  Services.  As long as a Software program is to be maintained and
supported by Licensor hereunder:

         (i) Licensor shall correct any variance in the operational condition of
the Software  program from the  specifications  set forth in the User's Manuals,
provided  Licensee advises Licensor of the existence of such variance during the
period for which  maintenance  and support is to be provided  hereunder for such
Software  program and provided  further that the variance can be corrected  with
reasonable effort, including the correction of the software code. Licensor shall
distribute to Licensee one copy of the  corrected  program or patches as soon as
it is available.  Licensee shall be  responsible  for effecting such changes and
corrections  in each  copy of the  applicable  Software  licensed  by  Licensee.
Licensor will respond to Licensee's request for maintenance and support services
within  a  reasonable  time  considering  all  circumstances  at the time of the
request,  including  the  nature  of  the  service  or  support  required.  Such
maintenance and support  services do not include on-site  maintenance or support
which, subject to availability of personnel, will be offered to Licensee only at
a separate charge.

         (ii) Licensor  shall  provide  support and  maintenance  services via a
toll-free  telephone number to representatives of Licensee who have successfully
completed  the  required  training  program.  Telephone  support  is  defined as
"answering  questions  requiring a reasonable amount of time, usually during the
same  telephone  call."  Telephone  support  shall be available  Monday  through
Friday, holidays excluded,  during normal local business hours from 8:00 a.m. to
5:00 p.m. Telephone support service is available during extended hours for a fee
of fifty dollars  ($50.00) per call.  Extended  hours are 8:00 a.m. to 5:00 p.m.
Mountain Standard Time on Saturdays, Sundays and holidays.  Additional telephone
support for non-certified representatives of Licensee will be provided for a fee
of seventy dollars ($70.00) per hour billed monthly net thirty (30).

         (iii) Licensee agrees to identify a competent  technical support person
at Licensee's  organization  responsible for the ongoing oversight and technical
support issues to assist Licensor in resolving  technical  software matters.  If
Licensee is unable to  identify  and  Licensor  is  required to provide  on-site
support services  because of the absence of this individual,  Licensee agrees to
pay  Licensor  a fee of  $1,000  per day  and  reasonable  out-of-pocket  travel
expenses.

         (iv)  Licensor   shall   promptly   make   available  to  Licensee  all
modifications  and  improvements to the Software that are generally  released by
Licensor to other licensees of the Software.  Modification  and improvements may
include, but are not limited to:

                  1. Systems Updates. Versions of the appropriate Software which
operate under new releases of the computer manufacturer's operating system.

                  2. Computer Program Modifications. Versions of the appropriate
Software which encompass  improvements and other changes which Licensor,  at its
sole  discretion,  deems to be  improvements  or  modifications  of the original
version of the Software.

                  3.   Documentation.   Updates   and   modifications   of  user
documentation of the appropriate Software.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   SCHEDULE E

                Annual License, Support and Maintenance Agreement
                                    (Pfizer)


d. New Capabilities.  New capabilities, or software programs which are generally
released as new and/or different from the Software described in this License are
not covered under this Agreement.  Licensor reserves the sole right to determine
which capabilities  shall be made available  hereunder and which shall be deemed
to be new and different  and not included in the  applicable  Software  licensed
hereunder. All corrections, modifications,  improvements and enhancements to the
Software  shall  remain the  property of Licensor  and shall be used by Licensee
only as part of the Software subject to this Agreement.



EXECUTED as of the first date set forth above.

National Health Enhancement Systems, Inc.                 Licensee
3200 North Central Avenue, Suite 1750
Phoenix, Arizona 85012                                    ______________________
                                                          Print Name of Licensee


________________________________                          ______________________
Authorized Agent                                          Authorized Agent


________________________________                          ______________________
Print Name of Agent                                       Print Name of Agent

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   Schedule F.

                       LICENSES TO NHES FROM THIRD PARTIES

1)   Agreement between  Micromedex Inc. ("MDX") and National Health  Enhancement
     Systems ("NHES") dated October 1, 1992 and amended on March 28, 1995.

2)   Agreement between Parlay and National Health  Enhancement  Systems ("NHES")
     dated February 5, 1992.

3)   Agreement  between Dr.  Barton  Schmitt  and  National  Health  Enhancement
     Systems ("NHES") dated October 14, 1994.

4)   Agreement  between  Micro Focus and  National  Health  Enhancement  Systems
     ("NHES") dated June 8, 1989 and OSX dated April 27, 1992.

5)   Agreement between Programmed  Intelligence  Corporation and National Health
     Enhancement Systems ("NHES") dated December 4, 1989.

6)   Agreement between MapInfo and National Health Enhancement  Systems ("NHES")
     dated February 15, 1995.

7)   Agreement between COGNOS and National Health  Enhancement  Systems ("NHES")
     dated September 30, 1994.

8)   Agreement between Brite Voice Systems, Inc. and National Health Enhancement
     Systems ("NHES") dated May 19, 1992 and amendment dated September 15, 1992.

9)   Agreement  between  Advanced Logics,  Inc. and National Health  Enhancement
     Systems, Inc. dated August 25, 1994.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   Schedule G.

Blanket lien to Venture Lending,  a division of Cupertino National Bank & Trust,
Palo Alto California on all NHES assets in connection with the Loan and Security
Agreement dated November 31, 1995.

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   Schedule H.

                    Product Support and Consulting Rate Fees

                       SKILL                            RATE/HOUR
            Project Manager                           $[Deleted - see *]
            Analyst                                   $[Deleted - see *]
            Data Base Analyst                         $[Deleted - see *]
            Programmer/Analyst                        $[Deleted - see *]
            Voice Response Analyst                    $[Deleted - see *]
            Reporting Specialist                      $[Deleted - see *]
            Quality Assurance                         $[Deleted - see *]
            Documentation Specialist                  $[Deleted - see *]
            Training Specialist                       $[Deleted - see *]
            Client Support Analyst                    $[Deleted - see *]
            Physician Consultation                    $[Deleted - see *]
            Nurse Consultation                        $[Deleted - see *]
            Clerical                                  $[Deleted - see *]

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   Schedule I.

                  PRESENT SIGNIFICANT OWNERS OF NHES SECURITIES

Edward B. Diethrich, M.D. and Gloria B. Diethrich (Trust)
Gregory J. Petras
John P. Delmatoff
Terri S. Langhans
Bisgrove Financial Management Limited Partnership

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)

                                   Schedule J.

           Quarterly - Purchase Schedule of NHES Products and Services

[Deleted - see *]

(* Confidential  Treatment Pursuant to Rule 24b-2 of the Securities Exchange Act
of 1934)


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