DIAGNOSTIC IMAGING SERVICES INC /DE
8-K, 1998-04-13
MEDICAL LABORATORIES
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                       SECURITIES AND EXCHANGE COMMISSION

                                WASHINGTON, D.C.
                    ----------------------------------------


                                    FORM 8-K

                                 CURRENT REPORT


     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934



       Date of Report (Date of earliest event reported): February 27, 1998



                        DIAGNOSTIC IMAGING SERVICES, INC.
             [Exact Name of Registrant as specified in its Charter]




        Delaware                   33-37418                  33-0443404
[State or Other Jurisdiction of Incorporation]    [Commission File No.][IRS
                                                   Employer Identification No.]




                 1516 Cotner  Avenue,  Los Angeles,  CA  90025-3303
                 [Address of principal executive offices; ZIP Code]




        Registrant's Telephone No., including Area Code:  (310) 479-0399



                  Former Address, If Changed since Last Report






















                                Page 1 of 2 Pages


<PAGE>



Item 2.  Acquisition or Disposition of Assets.

         On February  27,  1998,  Registrant  sold its  partnership  interest in
Scripps  Chula  Vista MRI Center in exchange  for  127,250  shares of the Common
Stock  of  Diagnostic   Health   Services,   Inc.  The  shares  are  restricted,
nevertheless, the current market value of such stock as of February 27, 1998, is
approximately $1,400,000.

         The sale will permit  Registrant to continue to reduce its  outstanding
debt while  permitting it to  concentrate  on its seven  remaining free standing
diagnostic  imaging  centers,  most  of  which  are  multi-modality  and its one
radiation oncology center.

Item 7.  Financial Statements and Exhibits

         (c) Exhibits

             10.  Attached  hereto is the Stock  Purchase  Agreement as amended,
marked Exhibit 10A.

                                   SIGNATURES

         Pursuant to the  requirements  of the  Securities  and  Exchange Act of
1934,  the  Registrant has duly caused this report to be signed on its behalf by
the undersigned hereunto duly authorized.

                        DIAGNOSTIC IMAGING SERVICES, INC.


Dated:   March 10, 1998                  By: /s/ Norman Hames, President
                                            ----------------------------
                                            Norman Hames, President


<PAGE>



                           PURCHASE AND SALE AGREEMENT


         PURCHASE AND SALE AGREEMENT (this "Agreement"),  entered into this 26th
day of  February,  1998,  by and between  SOCAL  DIAGNOSTIC  SERVICES,  INC.,  a
California corporation (the "Buyer"),  and DIAGNOSTIC IMAGING SERVICES,  INC., a
Delaware corporation (the "Seller");


                              W I T N E S S E T H:


         WHEREAS, Scripps Chula Vista Imaging Center, L.P., a California limited
partnership (the "Company"), conducts a business consisting of the ownership and
operation of a magnetic  resonance  imaging (MRI) Center located in Chula Vista,
California; and

         WHEREAS,  the Seller is both a general partner and a limited partner of
the  Company,  owning  one-half  of  the  total  outstanding  general  partners'
interests and one-half of the total outstanding  limited partners'  interests in
the Company (collectively, the "Interests"); and

         WHEREAS,  the Seller has  advanced  certain  loans to the Company  (the
"Debt"), for which the Company is currently indebted to the Seller; and

         WHEREAS,  the Buyer  desires to purchase from the Seller and the Seller
desires to sell to the Buyer,  all upon and subject to the terms and  conditions
of this Agreement,  all (and not less than all) of the Interests, and all right,
title, interest and claims in all of the Debt;

         NOW,  THEREFORE,  in  consideration  of the  premises and of the mutual
covenants and agreements herein set forth, the parties hereby covenant and agree
as follows:

         1.  ACQUISITION OF THE INTERESTS AND THE DEBT.

             1.1  Purchase and Sale of the  Interests.  Subject to the terms and
conditions of this  Agreement,  on the Closing Date (as such term is hereinafter
defined),  the Buyer shall purchase and acquire from the Seller,  and the Seller
shall  sell and  transfer  to the  Buyer,  all (and  not less  than  all) of the
Interests,  against payment of the Consideration set forth in Section 2.1 below.
In  furtherance  thereof,  the Seller shall,  on the Closing  Date,  execute and
deliver to the Buyer  instruments  of  assignment in respect of the Interests in
form and substance satisfactory to the Buyer.

             1.2 Sale of the Debt.  Subject to the terms and  conditions of this
Agreement,  on the Closing Date,  the Buyer shall  purchase and acquire from the
Seller,  and the Seller shall sell,  transfer and assign to the Buyer,  all (and
not less than all) of the Debt  (including  all rights to payment of  principal,
interest and any other charges),  against payment of the Consideration set forth
in Section 2.2 below. In furtherance  thereof,  the Seller shall, on the Closing
Date,  endorse to the order of the Buyer any and all promissory notes evidencing
the Debt, and otherwise execute and deliver to the Buyer appropriate instruments
of assignment,  in form and substance  satisfactory  to the Buyer, to effect the
transfer to the Buyer of all rights, claims and interests in and to the Debt.

             1.3 Effective  Date.  Anything  elsewhere  contained  herein to the
contrary notwithstanding, for accounting purposes, the Interests shall be deemed
to have been  transferred to the Buyer  effective as of January 1, 1998, and all
profits and losses of the Company attributable to the Interests for periods from
and after  January  1, 1998 shall be  allocated  to the  Buyer,  which  shall be
responsible for any and all taxes in respect thereof.

         2.  PURCHASE PRICE.

             2.1  Payment  for  the  Interests.  On the  Closing  Date,  against
delivery of the instruments of assignment in respect of the Interests, the Buyer
shall pay to the Seller, by wire transfer of immediately  available funds to the
Seller's  designated  account or, at the Seller's  option,  by certified or bank
cashier's check, an amount equal to the difference of (a) $1,400,000,  minus (b)
an  amount  equal  to the  aggregate  outstanding  balance  (principal,  accrued
interest and any other charges) of the Debt as of and through the Closing Date.


<PAGE>



             2.2.Payment for the Debt. On the Closing Date,  against delivery of
the endorsed notes and/or  instruments of assignment in respect of the Debt, the
Buyer shall pay to the Seller,  by wire transfer of immediately  available funds
to the Seller's  designated  account or, at the Seller's option, by certified or
bank  cashier's  check,  an amount equal to the  aggregate  outstanding  balance
(principal,  accrued  interest  and any  other  charges)  of the  Debt as of and
through the Closing Date.

     2.3 Total Consideration. The consideration payable pursuant to Sections 2.1
and 2.2 above is hereinafter collectively referred to as the "Consideration."

         3.  BOOKS AND RECORDS.

             3.1 Delivery of Records.  On the Closing  Date,  in addition to all
other  deliveries  to be made in connection  with the Closing,  the Seller shall
deliver  to the  Buyer all of the books and  records  (including  financial  and
accounting books and records, all referral,  client, customer and sales records,
and all other  books and  records in  whatever  form or media)  relating  to the
Company which are in the Seller's possession or control, whether in its capacity
as a general partner of the Company or otherwise.

         4.  REPRESENTATIONS AND WARRANTIES OF THE SELLER.

             In  connection  with the sale of the  Interests and the Debt to the
Buyer, the Seller hereby represents and warrants to the Buyer as follows:

             4.1 Title. The Seller is the valid and lawful record and beneficial
owner of all of the  Interests and all rights and claims in respect of the Debt,
all of which are free and clear of all pledges, liens, claims, charges, options,
calls,  encumbrances,   restrictions  and  assessments  whatsoever  (except  any
restrictions  which may be created by operation  of state or federal  securities
laws or may exist in the Limited Partnership  Agreement of the Company).  On the
Closing Date, the Buyer shall receive from the Seller good, valid and marketable
title to all of the  Interests and all rights and claims in respect of the Debt,
free  and  clear  of  all  pledges,  liens,  claims,  charges,  options,  calls,
encumbrances,  restrictions and assessments  whatsoever (except any restrictions
which may be created by operation of state or federal securities laws).

             4.2 Valid and Binding Agreement; No Breach.

                 (a) The Seller has full legal  right,  power and  authority  to
execute  and  deliver  this  Agreement  and  to  consummate   the   transactions
contemplated  hereby.  This  Agreement  and,  when executed and delivered by the
Seller,  the  Non-Competition  Agreement (as such term is hereinafter  defined),
constitute and will constitute the legal,  valid and binding  obligations of the
Seller,  enforceable  against  the Seller in  accordance  with their  respective
terms,  except  to  the  extent  that  such  enforceability  may be  limited  by
bankruptcy,  insolvency,  reorganization  and other  laws  affecting  creditors'
rights generally,  and except that the remedy of specific performance or similar
equitable  relief is available  only at the discretion of the court before which
enforcement is sought.

                 (b) Neither the execution and delivery of this Agreement or the
Non-Competition  Agreement  by the  Seller,  nor  compliance  with the terms and
provisions of this Agreement or the Non-Competition Agreement on the part of the
Seller,  will:  (i)  violate  any  statute  or  regulation  of any  governmental
authority,  domestic or  foreign,  affecting  the  Company or the  Seller;  (ii)
require the issuance of any authorization,  license,  consent or approval of any
federal or state  governmental  agency;  or (iii)  conflict  with or result in a
breach of any of the terms,  conditions or provisions of the Limited Partnership
Agreement of the Company,  the  Certificate of  Incorporation  or By-Laws of the
Seller,  or any judgment,  order,  injunction,  decree,  note,  indenture,  loan
agreement,  lease or other  agreement or  instrument to which the Company or the
Seller is a party, or by which the Company or the Seller is bound, or constitute
a  default  thereunder,  provided  that  there  has  been  compliance  with  the
provisions  of  the  Limited  Partnership  Agreement  of the  Company  regarding
transfers of the Interests.

             4.3 Organization, Good Standing and Qualification.  The Seller is a
corporation duly organized, validly existing and in good standing under the laws
of the State of Delaware,  with full  corporate  power and  authority to own its
assets and conduct its business,  and to sell and transfer the Interests and the
Debt  to  the  Buyer  hereunder.  The  Company  is a  limited  partnership  duly
organized,  validly existing and in good standing under the laws of the State of
California,  with full power and  authority  to own its assets and  conduct  its
business as owned and conducted on the date hereof.  The Company is not required
to be  qualified  as a  foreign  limited  partnership  under  the  laws  of  any
jurisdiction.


<PAGE>



True and complete copies of the Limited Partnership Agreement and Certificate of
Limited  Partnership  of the Company  (including  all  amendments  thereto)  are
annexed hereto as Schedule 4.3.

             4.4 Company Ownership.

                 (a) The Interests  represent  one-half of the total outstanding
general  partners'  interests  and limited  partners'  interests in the Company,
providing a five (5%)  percent  share of profits or losses of the Company in the
case  of the  general  partners'  interests  included  in the  Interests,  and a
forty-five  (45%)  percent share of the profits and losses of the Company in the
case of the limited partners' interests included in the Interests.

                 (b) To the best of the Seller's  knowledge,  all of the general
partners' interests and limited partners' interests in the Company which are not
owned by the Seller are owned and held  (beneficially  and of record) by Scripps
Health, a California non-profit public benefit corporation.

             4.5 Subsidiaries and Investments.  The Company does not own or hold
any  equity  interest  in any  entity or  business  enterprise.  Except  for the
operations of the Scripps Chula Vista Imaging Center (all of which are conducted
through the  Company),  the  Company  does not  conduct  any  material  business
operations.

             4.6 Financial Information.

                 (a)  Annexed  hereto  as  Schedule  4.6(a)  are  the  unaudited
financial  statements  of the Company as of December 31, 1997 and for the fiscal
year then ended,  including a balance  sheet and  statement  of  operations,  as
prepared  by  the  management  of  the  Company  (collectively,  the  "Financial
Statements").

                 (b) The Financial Statements are true, complete and accurate in
all material respects, and fairly present the financial condition and results of
operations  of the Company as of the dates  thereof and for the periods  covered
thereby,   in  accordance   with  generally   accepted   accounting   principles
consistently applied (subject to the absence of full footnote  disclosures,  and
to normal audit adjustments  which would not,  individually or in the aggregate,
be material).  The Financial Statements were prepared from the books and records
of the Company,  which accurately and  consistently  reflect all transactions to
which the Company was and is a party.

                 (c) Except as expressly set forth in the  Financial  Statements
as of December 31, 1997 (collectively,  the "1997 Financial  Statements") and/or
in the Schedules to this Agreement,  or arising in the normal course of business
of the Company  since  December 31, 1997,  there are, as at the date hereof,  no
liabilities or obligations (including,  without limitation,  any tax liabilities
or accruals) of the Company, including any contingent liabilities,  that are, in
the aggregate, material.

                 (d)  Schedule  4.6(d)  annexed  hereto  contains:  (i) an aging
schedule of the accounts receivable of the Company as of December 31, 1997; (ii)
a list of the outstanding  principal balance of and approximate accrued interest
on all indebtedness (other than accounts payable), loans and/or notes payable of
the Company as of December 31, 1997; (iii) a list of any contractual obligations
of the Company to the Seller  and/or any of its  Affiliates  on the date hereof;
(iv) a list of all  obligations  of the Company  guaranteed by the Seller and/or
any of its Affiliates on the date hereof, and the terms of such guarantees;  (v)
a list reflecting the nature and amount of all  obligations  owed to the Company
on the date hereof by the Seller and/or any of its  Affiliates;  and (vi) a list
reflecting the nature and amount of all  obligations  owed by the Company on the
date hereof to the Seller  and/or any of its  Affiliates.  Wherever used in this
Agreement,  the term  "Affiliate"  means, as respects any person or entity,  any
other  person  or  entity  that  directly,  or  indirectly  through  one or more
intermediaries,  controls, is controlled by, or is under common control with the
first person or entity.

             4.7 No Material  Changes.  Except as and to the extent described in
Schedule 4.7 annexed  hereto  (which  Schedule  may make  reference to any other
Schedule  hereto)  and/or in the 1997 Financial  Statements,  since December 31,
1997, the Company has been operated only in the ordinary  course,  and there has
not been:

                 (a) any material change in the financial condition,  operations
or business of the Company from that shown in the 1997 Financial  Statements and
for the period then ended, any material  acquisition or disposition of assets by
the Company, or any other material transaction or commitment


<PAGE>



     effected or entered  into  outside of the normal  course of the business of
the Company;

                 (b)  any  damage,  destruction  or  loss,  whether  covered  by
insurance or not, materially and adversely  affecting the business,  operations,
assets, properties, financial condition or prospects of the Company;

                 (c) any  declaration,  payment or setting aside of any dividend
or other distribution of any assets or property of the Company;

                 (d) any material increase in the rate of salary or compensation
paid or payable to any employee,  consultant or other person performing services
in the Company; or

                 (e) any other  event or  condition  arising  from or out of the
operation of the Company which has or will  materially and adversely  affect the
business,  financial  condition,  results  of  operations  or  prospects  of the
Company.

             4.8 Tax Returns and Tax Audits.

                 (a) Except as and to the extent  disclosed  in Schedule  4.8(a)
annexed  hereto:  (i) on the date hereof and on the Closing  Date,  all federal,
state and local tax reports required to be filed by the Company on or before the
date of this  Agreement or the Closing  Date,  as the case may be, have been and
will have been timely filed with the  appropriate  governmental  agencies in all
jurisdictions  in which such returns and reports are required to be filed;  (ii)
all federal, state and local income,  franchise,  sales, use, property,  excise,
unemployment,  payroll  withholding  and other  taxes  (including  interest  and
penalties and including  estimated tax  installments  where required to be filed
and paid) due from or with  respect to the  Company as of the date hereof and as
of the  Closing  Date have been and will have been fully paid,  and  appropriate
accruals  shall have been made on the Company's  books for taxes not yet due and
payable;  (iii) as of the  Closing  Date,  all taxes and other  assessments  and
levies  which the  Company is  required  by law to  withhold or to collect on or
before the Closing  Date will have been duly  withheld and  collected,  and will
have been paid over to the proper governmental authorities to the extent due and
payable on or before the  Closing  Date;  and (iv) there are no  outstanding  or
pending claims,  deficiencies  or assessments  for taxes,  interest or penalties
with respect to any taxable period of the Company.

                 (b) There are no audits  pending  with  respect to any federal,
state or local tax  reports  of the  Company,  and no  waivers  of  statutes  of
limitations  have been given or  requested  with respect to any tax years or tax
filings of the Company.

             4.9  Personal  Property;  Liens.  The Company has and owns good and
indefeasible  title to all of the personal  property  utilized in its  business,
free  and  clear  of  all  liens,  pledges,   claims,   security  interests  and
encumbrances  whatsoever,  except  for:  (a) rights of lessors in respect of any
fixed assets which are leased by the Company;  (b) liens which solely secure the
deferred  purchase price of machinery,  equipment,  vehicles  and/or other fixed
assets, as indicated on Schedule 4.9 annexed hereto; (c) liens for current taxes
of the Company which are not yet due and payable or which are being contested in
good faith by appropriate  proceedings  and for which proper  reserves have been
established by the Company; and (d) liens, pledges,  claims, security interests,
encumbrances,  conditions or restrictions which are not,  individually or in the
aggregate,  material in  character or amount and do not  interfere  with the use
made  or  presently  proposed  to be made of any  such  property  (collectively,
"Permitted  Liens").  All material items of machinery,  equipment,  vehicles and
other fixed  assets  owned or leased by the Company and utilized in its business
are  listed in  Schedule  4.9,  and,  except as and to the extent  disclosed  in
Schedule  4.9,  all of such fixed  assets are in good  operating  condition  and
repair (reasonable wear and tear excepted) and are adequate for their use in the
Company's business as presently conducted,  and are sufficient for the continued
conduct of such business.

             4.10      Real Property.

                 (a) The Company  does not own or have any  interest of any kind
(whether  ownership,  lease  or  otherwise)  in any  real  property  except  the
Company's  leasehold interest under the lease for the business premises occupied
by the Company,  a true and complete copy of which is annexed hereto as Schedule
4.10 (the "Lease").

                 (b) The Company  (and,  to the best of the Seller's  knowledge,
the landlord  thereunder) is presently in compliance with all of its obligations
under the Lease, and the premises leased


<PAGE>



thereunder  are in good  condition  (reasonable  wear and tear excepted) and are
adequate for the  operation  of the  Company's  business as presently  conducted
therefrom.

                 (c) The Lease will not be voided, revoked or terminated,  or be
voidable,  revocable  or  terminable,  upon and by reason of the transfer of the
Interests pursuant to this Agreement.

             4.11  Inventories.  All supplies and other inventories shown on the
balance sheet included in the 1997  Financial  Statements,  and all  inventories
thereafter  acquired  by the  Company,  have been and are  valued  at cost,  and
consisted  or consist of items  which are of a quality  and  quantity  which are
usable in the ordinary course of the business of the Company.

             4.12 Insurance  Policies.  Schedule 4.12 annexed hereto  contains a
true  and  correct  schedule  of all  insurance  coverages  held by the  Company
concerning  its business,  assets and  properties  (including but not limited to
professional  liability  insurance  and  a  statement,  as to  all  professional
liability  insurance,  of whether  such  insurance  is on an  "occurrence"  or a
"claims made"  basis).  The Company has paid all premiums due and payable to the
date hereof in respect of such  insurance  coverages,  and all of such coverages
are  presently in full force and effect.  The Seller is not aware of any grounds
upon  which  any  insurer  might  properly  cancel or refuse to renew any of the
Company's existing insurance coverages. Nothing herein contained shall be deemed
to  constitute a  representation,  warranty or assurance as to the  transference
with the Interests of any of the insurance coverages listed in Schedule 4.12.

             4.13  Permits and  Licenses.  The Company  possesses  all  required
permits,  licenses and/or franchises,  from whatever governmental authorities or
agencies  (domestic and/or foreign)  requiring the same and having  jurisdiction
over the Company,  necessary in order to operate the  Company's  business in the
manner presently conducted, all of which permits, licenses and/or franchises are
valid, current and in full force and effect, except where the failure to have or
maintain any such permit,  license  and/or  franchise  would not have a material
adverse effect on the business, operations, assets or financial condition of the
Company.  The Company has heretofore  conducted its business in compliance  with
the requirements of such permits,  licenses and/or  franchises,  and the Company
has not  received  written  notice of any default or  violation in respect of or
under any of such permits,  licenses and/or franchises except where such default
would not have a material adverse effect on the business,  operations, assets or
financial condition of the Company. None of such permits, franchises or licenses
will be voided, revoked or terminated, or be voidable,  revocable or terminable,
upon and by reason of the transfer of the Interests pursuant to this Agreement.

             4.14      Contracts and Commitments.

                 (a) Schedule 4.14 annexed hereto lists all material  contracts,
leases,  commitments,  indentures and other agreements to which the Company is a
party (collectively,  "Material Contracts"),  except that Schedule 4.14 need not
list any such  agreement  that is listed on any other  Schedule  hereto,  or was
entered into in the ordinary  course of the business of the Company and that, in
any case:  (i) is for the purchase of supplies or other  inventory  items in the
ordinary  course of  business;  (ii) is related to the  purchase or lease of any
capital asset  involving  aggregate  payments of less than $25,000 per annum; or
(iii) may be terminated by the Company without penalty,  premium or liability on
not more than thirty (30) days' prior written notice;  provided,  however,  that
Schedule  4.14 shall  list any  agreement  or  arrangement  (written  or verbal)
between the Company (on the one hand) and any physicians or persons known to the
Seller to be Affiliates of any physicians (on the other hand), regardless of the
amount of payments called for, required or made thereunder.

                 (b) To the best of the Seller's knowledge,  except as set forth
in Schedule 4.14: (i) all Material Contracts are in full force and effect;  (ii)
the  Company  is in  compliance  in  all  material  respects  with  all  of  its
obligations  under the  Material  Contracts,  and has not  received  any written
notice that any party to any Material  Contract is in material breach or default
of such Material  Contract or is now subject to any condition or event which has
occurred and which,  after notice or lapse of time or both,  would  constitute a
material  default by any party  under any such  contract,  lease,  agreement  or
commitment;  and (iii) none of the Material Contracts will be voided, revoked or
terminated,  or  voidable,  revocable or  terminable,  upon and by reason of the
transfer of the Interests pursuant to this Agreement.

                 (c) To the  best  of the  Seller's  knowledge,  no  outstanding
purchase  commitment  of the Company is  materially  in excess of the  Company's
normal, ordinary and usual requirements.

                 (d) Except as set forth in Schedule  4.14, the Company does not
have any


<PAGE>



outstanding  contracts with or commitments to officers,  employees,  physicians,
technicians,  agents,  consultants  or advisors  that are not  cancelable by the
Company  without  penalty,  premium or liability (for severance or otherwise) on
less than thirty (30) days' prior written notice.

             4.15  Customers and  Suppliers.  Neither the Company nor the Seller
(a) has received any written  notice of any existing,  announced or  anticipated
changes in the policies of any material clients, customers,  referral sources or
suppliers of the Company which will materially  adversely affect the business or
operations  of the  Company,  or (b) has  actual  knowledge  of any  bankruptcy,
insolvency or other such proceeding or condition relating to any of its material
clients or customers.

             4.16      Labor, Benefit and Employment Agreements.

                 (a) Except as set forth in Schedule  4.16 annexed  hereto,  the
Company is not a party to or has any  commitment or obligation in respect of (i)
any  collective  bargaining  agreement  or other  labor  agreement,  or (ii) any
agreement  with respect to the  employment  or  compensation  of any  non-hourly
and/or  non-union  employee(s).  Schedule  4.16  sets  forth  the  amount of all
compensation or remuneration  (including any discretionary  bonuses) paid by the
Company  during the 1997  calendar  year to  employees or  consultants  who then
received or presently  receive  aggregate  compensation  or  remuneration  at an
annual rate in excess of $35,000.

                 (b) No union is now  certified  or, to the best of the Seller's
knowledge,  claims to be certified as a collective bargaining agent to represent
any employees of the Company,  and there are no labor  disputes  existing or, to
the best of the Seller's knowledge,  threatened,  involving strikes,  slowdowns,
work stoppages, job actions or lockouts of any employees of the Company.

                 (c) There are no unfair labor practice charges or petitions for
election pending or being litigated before the National Labor Relations Board or
any other  federal or state labor  commission  relating to any  employees of the
Company.  Neither the Company nor the Seller has received any written  notice of
any actual or alleged violation by the Company of any law, regulation,  order or
contract term affecting the  collective  bargaining  rights of employees,  equal
opportunity in employment,  or employee health,  safety,  welfare,  or wages and
hours.

                 (d) With  respect to any  "multiemployer  plan" (as  defined in
Section 3(37) of the Employee Retirement Income Security Act of 1974, as amended
("ERISA"))  to which the Company or any of its  Affiliates  has at any time been
required to make  contributions,  neither the Company nor any of its  Affiliates
has, at any time on or after April 29,  1980,  suffered or caused any  "complete
withdrawal" or "partial  withdrawal" (as such terms are respectively  defined in
Sections 4203 and 4205 of ERISA) therefrom on its part.

                 (e) Except as disclosed in Schedule  4.16, the Company does not
maintain,  or have any  liabilities  or obligations of any kind with respect to,
any bonus, deferred compensation,  pension, profit sharing,  retirement or other
such benefit plan,  or any  potential or contingent  liability in respect of any
actions  or  transactions   relating  to  any  such  plan  other  than  to  make
contributions  thereto if, as and when due in respect of periods  subsequent  to
the date hereof.  Without limitation of the foregoing,  (i) the Company has made
all required  contributions  to or in respect of any and all such benefit plans,
(ii) no  "accumulated  funding  deficiency"  (as  defined in Section  412 of the
Internal  Revenue Code of 1986,  as amended (the  "Code")) has been  incurred in
respect of any of such  benefit  plans,  and the  present  value of all  accrued
benefits thereunder does not, on the date hereof,  exceed the assets of any such
plan  allocable  to the  accrued  benefits  thereunder,  (iii) there has been no
"prohibited  transaction"  (as defined in Section 4975 of the Code) with respect
to any such plan, and no transaction which could give rise to any tax or penalty
under Section 4975 of the Code or Section 502 of ERISA,  and (iv) there has been
no  "reportable  event"  (within the  meaning of Section  4043(b) of ERISA) with
respect to any such plan.  All of such plans which  constitute,  are intended to
constitute,  or have been  treated by the Company as "employee  pension  benefit
plans" or other  plans  within  Section 3 of ERISA have been  determined  by the
Internal Revenue Service to be "qualified" under Section 401(a) of the Code, and
have been  administered  and are in compliance  with ERISA and the Code; and the
Seller  does  not have any  knowledge  of any  state  of  facts,  conditions  or
occurrences such as would impair the "qualified" status of any of such plans.

                 (f) Except for the group insurance  programs listed in Schedule
4.16, the Company does not maintain any medical,  health, life or other employee
benefit  insurance  programs or any welfare plans (within the meaning of Section
3(1) of ERISA) for the benefit of any current or former  employees,  and, except
as required by statutory law, the Company does not have any liability, fixed or


<PAGE>



contingent, for health or medical benefits to any former employee.

             4.17      Compliance with Laws.

                 (a) The Company is in compliance in all material  respects with
all laws, statutes,  regulations, rules and ordinances applicable to the conduct
of its business as presently constituted; and neither the Company nor the Seller
has received  written notice of any default or violation  under or in respect of
any of the foregoing.  The Company is not presently in material violation of any
requirements of any of its insurance carriers.

                 (b) Without  limitation of Section  4.17(a) above,  the Company
has not, at any time during the three (3) year period  prior to the date hereof,
(i) handled, stored, generated, processed, released or disposed of any hazardous
substances  in violation of any federal,  state or local  environmental  laws or
regulations,  or (ii) otherwise committed any material violation of any federal,
state or local environmental laws or regulations (including, without limitation,
the  provisions  of  the   Environmental   Protection  Act,  the   Comprehensive
Environmental Responsibility and Cleanup Act, and other applicable environmental
statutes and regulations) or any material  violation of the Occupational  Safety
and Health Act.

                 (c)  Neither  the  Company  nor,  to the  best of the  Seller's
knowledge,  any of the Company's  directors,  officers or employees has received
any written  notice of default or  violation,  nor, to the best of the  Seller's
knowledge,  is the Company or any of its  directors,  officers or  employees  in
default or violation,  with respect to any judgment,  order,  writ,  injunction,
decree,  demand or assessment issued by any court or any federal,  state, local,
municipal   or   other   governmental   agency,   board,   commission,   bureau,
instrumentality  or department,  domestic or foreign,  relating to any aspect of
the Company's business,  affairs, properties or assets. Neither the Company nor,
to the  best  of the  Seller's  knowledge,  any of its  directors,  officers  or
employees,  has  received  written  notice of, been  charged  with,  or is under
investigation  with respect to, any  violation of any  provision of any federal,
state,  local,  municipal  or other law or  administrative  rule or  regulation,
domestic or foreign, relating to any aspect of the Company's business,  affairs,
properties or assets,  which violation  would have a material  adverse effect on
business, operations, assets or financial condition of the Company.

                 (d)  Schedule  4.17 sets  forth the  date(s)  of the last known
audits or inspections  (if any) of the Company  conducted by or on behalf of the
Environmental   Protection   Agency,   the   Occupational   Safety   and  Health
Administration,  the federal  Department of Health and Human Services and/or any
agency  thereof  (including,   without  limitation,   the  Healthcare  Financing
Administration)  or  intermediary  acting on its behalf,  any  corresponding  or
comparable state or local governmental department,  agency or authority, and any
other  governmental  and/or  quasi-governmental  agency  (federal,  state and/or
local).

             4.18  Litigation.  Except as  disclosed  in Schedule  4.18  annexed
hereto, there is no suit, action, arbitration, or legal, administrative or other
proceeding, or governmental  investigation (including,  without limitation,  any
claim  alleging the  invalidity,  infringement  or  interference  of any patent,
patent  application,  or rights  thereunder  owned or licensed  by the  Company)
pending, or to the best knowledge of the Seller,  threatened,  by or against the
Company.  The Seller is not aware of any state of facts,  events,  conditions or
occurrences  which  might  properly  constitute  grounds for or the basis of any
suit, action,  arbitration,  proceeding or investigation against or with respect
to the Company which,  if adversely  determined,  would have a material  adverse
effect on business, operations, assets or financial condition of the Company.

             4.19 Patents, Licenses and Trademarks. Schedule 4.19 annexed hereto
correctly  sets forth a list and brief  description  of the nature and ownership
of:  (a)  all  patents,   patent  applications,   copyright   registrations  and
applications,   registered   trade  names,  and  trademark   registrations   and
applications,  both domestic and foreign,  which are presently  owned,  filed or
held by the  Company,  any of its  Affiliates,  and/or  any of their  respective
directors,  officers or employees  and which in any way relate to or are used in
the business of the Company; (b) all licenses,  both domestic and foreign, which
are owned or controlled  by the Company,  any of its  Affiliates,  and/or any of
their respective directors, officers or employees and which in any way relate to
or are used in the business of the  Company;  and (c) all  franchises,  licenses
and/or similar arrangements granted to the Company by others and/or to others by
the Company. None of the patents,  patent applications,  copyright registrations
or   applications,   registered   trade  names,   trademark   registrations   or
applications,  franchises,  licenses or other arrangements set forth or required
to be set forth in Schedule  4.19 is subject to any pending  challenge  known to
the


<PAGE>



Seller.  The  Company  has the valid  right to utilize all trade names and other
intellectual property utilized in its business, and the Company has not received
any written notice of any claimed infringement of any such intellectual property
with any rights or property of any other person.

             4.20  Transactions  with  Affiliates.  Except for those  management
services  provided  by the Seller to the  Company as  specified  in the  Limited
Partnership  Agreement of the Company, no material asset utilized in the Company
is owned by, leased from or leased to the Seller or any of its Affiliates (other
than the Company).

             4.21 Sensitive  Payments.  The Seller has no reason to believe that
the  Company  has (a) made any  contributions,  payments  or gifts to or for the
private use of any  governmental  official,  employee or agent where  either the
payment or the purpose of such  contribution,  payment or gift is illegal  under
the laws of the United States or the jurisdiction in which made, (b) established
or maintained any unrecorded  fund or asset for any purpose or made any false or
artificial  entries on its books,  (c) given or received  any  payments or other
forms of  remuneration  in connection  with the referral of patients which would
violate the  Medicare/Medicaid  Anti-Kickback Law, Section 1128(b) of the Social
Security Act, 42 U.S.C. ss. 1320a-7b(b),  or any analogous state statute, or (d)
made any payments to any person with the intention that any part of such payment
was to be used for any  purpose  other  than  that  described  in the  documents
supporting the payment.

             4.22 Going  Concern.  The Seller does not have any knowledge of any
fact,  event,  circumstance or condition  (including,  without  limitation,  any
announced  or  anticipated  changes in the  policies of any  material  client or
customer)  that would  materially  impair the ability of the  Company,  from and
after the  Closing,  to  continue  its  business  in  substantially  the  manner
heretofore conducted, other than general, industry-wide conditions.

             4.23 Disclosure and Duty of Inquiry.  The Buyer is not and will not
be required to undertake any independent  investigation  to determine the truth,
accuracy and  completeness  of the  representations  and warranties  made by the
Seller in this Agreement.


         5.  REPRESENTATIONS AND WARRANTIES OF THE BUYER.

             In connection  with the purchase of the Interests and the Debt from
the Seller hereunder,  the Buyer hereby represents and warrants to the Seller as
follows:

             5.1 Organization,  Good Standing and Qualification.  The Buyer is a
corporation duly organized, validly existing and in good standing under the laws
of the State of California, and has all necessary power and authority to execute
and  deliver  this  Agreement,  to perform  its  obligations  hereunder,  and to
consummate the transactions contemplated hereby.

             5.2  Authorization  of  Agreement.  The  execution,   delivery  and
performance  of  this  Agreement  and  the   consummation  of  the  transactions
contemplated  hereby by the Buyer have been duly and validly  authorized  by the
Board of Directors and sole stockholder of the Buyer, and the Buyer has the full
legal  right,  power and  authority to execute and deliver  this  Agreement,  to
perform  its  obligations   hereunder,   and  to  consummate  the   transactions
contemplated hereby. No further corporate authorization is necessary on the part
of the Buyer to consummate the transactions contemplated hereby.

             5.3 Valid and Binding Agreement.  This Agreement and, when executed
and  delivered,  the  Non-Competition  Agreement  (as such  term is  hereinafter
defined),   constitutes  and  will  constitute  the  legal,  valid  and  binding
obligations of the Buyer, enforceable against the Buyer in accordance with their
respective  terms,  except,  in each case, to the extent  limited by bankruptcy,
insolvency, reorganization and other laws affecting creditors' rights generally,
and except that the remedy of specific  performance or similar  equitable relief
is available  only at the  discretion of the court before which  enforcement  is
sought.

             5.4 No Breach of Statute or  Contract.  Neither the  execution  and
delivery of this  Agreement  or the  Non-Competition  Agreement by the Buyer nor
compliance   with  the  terms  and   provisions   of  this   Agreement   or  the
Non-Competition  Agreement  on the part of the  Buyer,  will:  (a)  violate  any
statute or  regulation  of any  governmental  authority,  domestic  or  foreign,
affecting the Buyer; (b) require the issuance to the Buyer of any authorization,
license, consent or approval of any federal or state governmental agency; or (c)
except for the required  consent of the Buyer's lender  contemplated  by Section
8.10 below, conflict with or result in a breach of any of the terms, conditions


<PAGE>



or provisions of any judgment, order, injunction,  decree, note, indenture, loan
agreement or other  agreement or instrument to which the Buyer is a party, or by
which the Buyer is bound, or constitute a default thereunder.

             5.5 Investment.  The Buyer will be purchasing the Interests and the
Debt for its own  account for  investment,  and not with a view to the resale or
distribution thereof in violation of any applicable securities laws.

             5.6 Disclosure and Duty of Inquiry.  The Seller is not and will not
be required to undertake any independent  investigation  to determine the truth,
accuracy and  completeness  of the  representations  and warranties  made by the
Buyer in this Agreement.

         6. THE SELLER'S OBLIGATIONS BEFORE THE CLOSING DATE.

             The Seller  covenants  and agrees that,  from the date hereof until
the Closing Date:

             6.1 Access to Information.

                 (a)  The  Seller  shall  permit  the  Buyer  and  its  counsel,
accountants  and  other   representatives,   and  the  Buyer's  lender  and  its
representatives,  upon reasonable  advance notice to the Company,  during normal
business hours and without undue  disruption of the business of the Company,  to
have reasonable access to all properties,  books, accounts,  records, contracts,
documents  and  information   relating  to  the  Company.   The  Buyer  and  its
representatives  shall also be  permitted to freely  consult with the  Company's
counsel and accountants.

                 (b)  The  Seller  will  make  available  to the  Buyer  and its
accountants,  and the  Buyer's  lender and its  representatives,  all  financial
records  relating to the Company,  and shall cause the Company's  accountants to
cooperate  with the  Buyer's  accountants  and  make  available  to the  Buyer's
accountants  all  work  papers  and  other  materials  developed  by or  in  the
possession of the Company's accountants.

             6.2 Conduct of Company in Normal Course. The Seller shall cause the
Company to carry on its business  activities in substantially the same manner as
heretofore conducted,  and shall not permit the Company to make or institute any
unusual  or  novel  methods  of  service,  sale,  purchase,  lease,  management,
accounting or operation that will vary materially from those methods used by the
Company as of the date  hereof,  without in each  instance  obtaining  the prior
written consent of the Buyer.

             6.3  Preservation  of Company and  Relationships.  The Seller shall
cause the  Company,  without  making or  incurring  any unusual  commitments  or
expenditures,   to  use  all   reasonable   efforts  to  preserve  its  business
organization  intact,  and  preserve  its present  relationships  with  referral
sources, clients, customers,  suppliers and others having business relationships
with the Company.

             6.4 Maintenance of Insurance. The Seller shall cause the Company to
continue  to  carry  its  existing  insurance,  to the  extent  obtainable  upon
reasonable terms.

             6.5  Corporate  Matters.  The Seller  shall not permit the Company,
without the prior written consent of the Buyer, to:

                 (a) amend its limited  partnership  agreement or certificate of
limited partnership,  or admit any additional or substituted general partners or
limited partners to the Company, or make any offer therefor;

                 (b) amend, cancel or modify any Material Contract or enter into
any material new agreement,  commitment or transaction except, in each instance,
in the ordinary course of business;

                 (c) pay,  grant or authorize any material  salary  increases or
bonuses  except in the  ordinary  course of business  and  consistent  with past
practice, or enter into any employment, consulting or management agreements;

                 (d) modify in any material  respect any  material  agreement to
which the Company is a party or by which it may be bound, except in the ordinary
course of business;



<PAGE>



                 (e)   make any change in management personnel;

                 (f) except pursuant to commitments in effect on the date hereof
(to the extent disclosed in this Agreement or in any Schedule hereto),  make any
capital expenditure(s) or commitment(s),  whether by means of purchase, lease or
otherwise,  or any operating  lease  commitment(s),  in excess of $10,000 in the
aggregate;

                 (g) dispose of or transfer  any asset  outside of the  ordinary
course of business,  or sell,  assign or dispose of any capital  asset(s) with a
net  book  value in  excess  of  $5,000  as to any one  item or  $10,000  in the
aggregate;

                 (h)  materially  change its method of collection of accounts or
notes  receivable,  accelerate  or slow in any  material  respect its payment of
accounts  payable,  or prepay any of its obligations or liabilities,  other than
prepayments to take advantage of trade discounts not otherwise inconsistent with
or in excess of historical prepayment practices;

                 (i)  declare,  pay,  set  aside or make any  dividend  or other
distribution of any assets or property; or make any other transfer of any assets
or property to the Seller or any of its Affiliates;

                 (j) incur any material  liability or  indebtedness  except,  in
each instance, in the ordinary course of business;

                 (k) subject any of the assets or  properties  of the Company to
any further material liens or encumbrances, other than Permitted Liens; or

                 (l) agree to do, or take any action in  furtherance  of, any of
the foregoing.

         7.  ADDITIONAL AGREEMENTS OF THE PARTIES.

             7.1  Confidentiality.  Notwithstanding  anything  to  the  contrary
contained in this  Agreement,  and subject only to any  disclosure  requirements
which may be  imposed  upon  either  party  under  applicable  state or  federal
securities or antitrust laws or by court order,  it is expressly  understood and
agreed by the parties that,  except with respect to matters or information which
are publicly available other than by reason of a breach of this Section 7.1, (a)
this Agreement,  the Schedules hereto, and the  conversations,  negotiations and
transactions  relating hereto and/or contemplated  hereby, and (b) all financial
information,  Company records and other non-public information concerning either
party or the Company which the other party or its  representatives  has received
or may hereafter receive, shall be maintained in the strictest confidence by the
recipient and its representatives, and shall not be disclosed to any person that
is  not  associated  or  affiliated  with  the  recipient  and  involved  in the
transactions  contemplated  hereby,  without the prior  written  approval of the
party which  provided the  information.  The parties hereto shall use their best
efforts to avoid  disclosure of any of the foregoing or undue  disruption of any
of the business operations or personnel of the parties, and no party shall issue
any press  release  or other  public  announcement  regarding  the  transactions
contemplated hereby without the prior approval of the other party (such approval
not to be  unreasonably  withheld or  delayed)  unless  compelled  to do so upon
advice of counsel and there is insufficient time to practicably  obtain approval
hereunder.  In the event that the transactions  contemplated hereby shall not be
consummated for any reason,  each party covenants and agrees that neither it nor
any of its  representatives  shall  retain  (other  than  information  which  is
publicly  available  other than by reason of a breach of this  Section  7.1) any
documents, lists or other writings of the other party which it may have received
or obtained in  connection  herewith or any documents  incorporating  any of the
information  contained in any of the same (all of which,  and all copies thereof
in the possession or control of the recipient or its  representatives,  shall be
returned to the party which provided the information).

             7.2  Exclusivity.  From the date hereof through any  termination of
this  Agreement in accordance  with Section 11 below,  the Seller shall not (and
shall not permit any of its stockholders,  directors, officers or Affiliates to)
negotiate with or enter into any other commitments, agreements or understandings
with any person,  firm or corporation  (other than the Buyer and its Affiliates)
in  respect  of any sale or  transfer  of equity  interests  in or any  material
portion of the assets of the  Company,  any merger,  consolidation  or corporate
reorganization, or any other such transaction relating to the Company.

            7.3 Asset  Transfer.  To the extent that, on the Closing  Date,
any assets utilized in the


<PAGE>



business  of the  Company  are  owned  or  leased  by the  Seller  or any of its
Affiliates (other than the Company),  and/or any contract rights relating to the
Company are in the name of or held by the Seller or any of its Affiliates (other
than the Company),  then, immediately prior to the Closing, title to such assets
(or the  leases  therefor,  as the case  may be) and  contract  rights  shall be
transferred  to the  Company,  without  requirement  of  any  payment  or  other
consideration  by the  Company to effect such  transfer.  To the extent that any
contracts  are  included  in  such  transfer,  all  obligations  of the  Company
thereunder  shall  be  current  as of the  time of  transfer,  and  without  any
continuing default thereunder.

             7.4 Non-Competition  Agreement. On the Closing Date, the Seller and
the Buyer  shall  execute  and  deliver  to one  another a  non-competition  and
non-disclosure  agreement in substantially  the form of Exhibit A annexed hereto
(the "Non-Competition Agreement").

             7.5 Additional Agreements and Instruments. On or before the Closing
Date, the Seller, the Company and the Buyer shall execute,  deliver and file all
exhibits,  agreements,  certificates,   instruments  and  other  documents,  not
inconsistent  with the provisions of this  Agreement,  which,  in the opinion of
counsel to the parties  hereto,  shall  reasonably  be required to be  executed,
delivered and filed in order to consummate the transactions contemplated by this
Agreement.

             7.6 Non-Interference.  Neither the Buyer nor the Seller shall cause
to occur any act, event or condition  which would cause any of their  respective
representations  and warranties made in this Agreement to be or become untrue or
incorrect in any material  respect as of the Closing  Date,  or would  interfere
with,  frustrate or render unreasonably  expensive the satisfaction by the other
party of any of the conditions precedent set forth in Sections 8 and 9 below.

         8.  CONDITIONS PRECEDENT TO THE BUYER'S PERFORMANCE.

             In  addition  to the  fulfillment  of the  parties'  agreements  in
Section 7 above,  the  obligations of the Buyer to consummate  the  transactions
contemplated  by this Agreement are further subject to the  satisfaction,  at or
before the Closing  Date, of all the  following  conditions,  any one or more of
which may be waived in writing by the Buyer:

             8.1 Accuracy of Representations and Warranties. All representations
and warranties made by the Seller in this Agreement shall be true and correct in
all   material   respects  on  and  as  of  the  Closing  Date  as  though  such
representations and warranties were made on and as of that date.

             8.2  Performance.  The Seller shall have  performed,  satisfied and
complied in all material respects with all covenants,  agreements and conditions
required by this  Agreement to be  performed,  satisfied or complied with by the
Seller on or before the Closing Date.

             8.3  Certification.  The Buyer shall have  received a  certificate,
dated the Closing Date, signed by the Seller,  certifying, in such detail as the
Buyer and its counsel may reasonably request,  that the conditions  specified in
Sections 8.1 and 8.2 above have been fulfilled.

             8.4 Opinion of Counsel.  The Buyer shall have  received an opinion,
dated the Closing Date, of Jeffrey L. Linden,  Esq.,  inside general  counsel to
the  Seller  and the  Company,  with  respect to such  matters  incident  to the
transactions  contemplated  hereby as shall reasonably be requested by the Buyer
and its counsel.

             8.5   Resolutions.   The  Buyer  shall  have   received   certified
resolutions  of the  Board  of  Directors  of the  Seller,  in  form  reasonably
satisfactory  to counsel  for the Buyer,  authorizing  the  Seller's  execution,
delivery and  performance  of this  Agreement and all actions to be taken by the
Seller hereunder.

             8.6 Good Standing Certificates.  The Buyer shall have received good
standing  certificates issued by the Secretary of State of Delaware with respect
to the  Seller,  and the  Secretary  of State of  California  in  respect of the
Company, each dated as of a date reasonably prior to the Closing Date.

             8.7 Absence of  Litigation.  No action,  suit or  proceeding  by or
before any court or any governmental  body or authority,  against the Company or
the Seller or pertaining to the  transactions  contemplated by this Agreement or
their  consummation,  shall have been  instituted on or before the Closing Date,
which action, suit or proceeding would, if determined adversely, have a material
adverse  effect on business,  operations,  assets or financial  condition of the
Company.


<PAGE>



             8.8 Condition of Property.  Between the date of this  Agreement and
the Closing Date, assets of the Company having an aggregate fair market value of
$10,000 or more shall not have been lost,  destroyed or  irreparably  damaged by
fire,  flood,  explosion,  theft or any other  cause,  whether or not covered by
insurance.

             8.9 No Material  Adverse Change.  On the Closing Date,  there shall
not have occurred any event or condition  materially and adversely affecting the
financial condition,  results of operations or business prospects of the Company
from those  reflected  in the 1997  Financial  Statements  or  disclosed in this
Agreement or the Schedules  hereto,  except for matters  resulting  from adverse
changes in economic conditions affecting the Company generally.

             8.10      Consents.

                 (a) All  necessary  and  legally  required  disclosures  to and
agreements  and  consents  of (i) any  parties to any  Material  Contracts,  the
landlord under the Lease, and/or any licensing authorities which are material to
the business of the Company,  and (ii) any governmental  authorities or agencies
to the extent  required to be obtained  prior to the Closing in connection  with
the  transactions  contemplated by this Agreement,  shall have been obtained and
true and complete copies thereof  delivered to the Buyer. Any such consents must
be obtained without imposing any unreasonable  burden or obligation on the Buyer
or the Company from and after the Closing Date.

                 (b) The Buyer shall have  obtained,  and there shall be in full
force and effect,  the consent of the Buyer's  existing lender for the use of up
to $1,400,000 in principal amount of loans under the Buyer's loan agreement with
such lender in respect of the Consideration pursuant to Section 2 above.


             8.11 Scripps Consent.  The Buyer shall have received the consent of
Scripps  Health  with  respect  to the  admission  of the Buyer as a  substitute
general  partner and substitute  limited partner of the Company in the place and
stead of the Seller,  together  with certain  other  assurances,  pursuant to an
agreement in substantially the form of Exhibit B annexed hereto.

             8.12  Execution  and Delivery of Exhibit.  On or before the Closing
Date,   the  Seller  shall  have   executed  and  delivered  to  the  Buyer  the
Non-Competition Agreement.

             8.13  Proceedings and Instruments  Satisfactory.  All  proceedings,
corporate or other, to be taken in connection with the transactions contemplated
by this Agreement,  and all documents  incidental  thereto,  shall be reasonably
satisfactory  in form and  substance  to the Buyer and its  counsel.  The Seller
shall have submitted to the Buyer or its  representatives  for  examination  the
originals or true and correct  copies of all records and  documents  relating to
the  Company  which  the  Buyer  may have  requested  in  connection  with  said
transactions.

         9.  CONDITIONS PRECEDENT TO THE SELLER'S PERFORMANCE.

             In  addition  to the  fulfillment  of the  parties'  agreements  in
Section 7 above,  the  obligations of the Seller to consummate the  transactions
contemplated  by this Agreement are further subject to the  satisfaction,  at or
before the Closing Date, of all of the following conditions,  any one or more of
which may be waived in writing by the Seller:

             9.1 Accuracy of Representations and Warranties. All representations
and warranties  made by the Buyer in this Agreement shall be true and correct in
all   material   respects  on  and  as  of  the  Closing  Date  as  though  such
representations and warranties were made on and as of that date.

             9.2  Performance.  The Buyer shall have  performed,  satisfied  and
complied in all material respects with all covenants,  agreements and conditions
required by this  Agreement to be  performed,  satisfied or complied with by the
Buyer on or before the Closing Date.

             9.3  Certification.  The Seller shall have received a  certificate,
dated the Closing Date, signed by the Buyer,  certifying,  in such detail as the
Seller and its counsel may reasonably request,  that the conditions specified in
Sections 9.1 and 9.2 above have been fulfilled.

             9.4 Opinion of Counsel.  The Seller shall have received an opinion,
dated the Closing Date,  of Greenberg  Traurig  Hoffman  Lipoff Rosen & Quentel,
counsel to the Buyer, with respect to such


<PAGE>



matters incident to the transactions  contemplated hereby as shall reasonably be
requested by the Seller and its counsel.

             9.5   Resolutions.   The  Seller  shall  have  received   certified
resolutions  of  the  Board  of  Directors  of the  Buyer,  in  form  reasonably
satisfactory  to counsel for the  Seller,  authorizing  the  Buyer's  execution,
delivery and  performance  of this  Agreement and all actions to be taken by the
Buyer hereunder.

             9.6 Good  Standing  Certificate.  The Seller shall have  received a
good standing  certificate  issued by the Secretary of State of California  with
respect to the Buyer, dated as of a date reasonably prior to the Closing Date.

             9.7 Consents. The Seller shall have received any and all agreements
and consents of any  governmental  authorities and agencies,  and any parties to
any material  contracts or agreements of the Seller,  to the extent  required in
connection with the transactions contemplated by this Agreement.

             9.8  Execution  and  Delivery of Exhibit.  On or before the Closing
Date,   the  Buyer  shall  have   executed  and  delivered  to  the  Seller  the
Non-Competition Agreement.

             9.9 Proceedings and Instruments Satisfactory. All proceedings to be
taken in connection with the  transactions  contemplated by this Agreement,  and
all documents incidental thereto,  shall be reasonably  satisfactory in form and
substance to the Seller and its counsel.

         10. CLOSING.

             10.1 Place and Date of  Closing.  Unless  this  Agreement  shall be
terminated  pursuant to Section 11 below,  the  consummation of the transactions
contemplated by this Agreement (the  "Closing")  shall take place at the offices
of the Seller located at 1516 Cotner Avenue, Los Angeles, California 90025-3303,
or such other  location as is agreed to between the parties,  at 9:00 A.M. local
time on February 27, 1998 or such later date (not later than March 16, 1998) as
may be  reasonably  agreeable  to the  parties  (the date of the  Closing  being
referred to in this Agreement as the "Closing Date").

             10.2 Actions at Closing.  At the Closing,  there shall be made,  by
all necessary and  appropriate  persons,  all payments and deliveries  stated in
this Agreement to be made at the Closing and/or on or prior to the Closing Date.

         11. TERMINATION OF AGREEMENT.

             11.1 General. This Agreement may be terminated and the transactions
contemplated  hereby may be abandoned  at any time prior to the Closing:  (a) by
the mutual written consent of the Seller and the Buyer; (b) by the Buyer, or the
Seller,  if: (i) a material  breach  shall  exist  with  respect to the  written
representations  and  warranties  made by the other party,  (ii) the other party
shall take any action prohibited by this Agreement, if such actions shall or may
have  a  material   adverse  effect  on  the  Company  and/or  the  transactions
contemplated hereby, (iii) the other party or parties, as the case may be, shall
not have furnished,  upon reasonable  notice  therefor,  such  certificates  and
documents required in connection with the transactions  contemplated  hereby and
matters  incidental  thereto  as it shall  have  agreed  to  furnish,  and it is
reasonably  unlikely  that the other party will be able to furnish  such item(s)
prior to the Outside  Closing Date specified  below,  or (iv) any consent of any
third  party  to the  transactions  contemplated  hereby  (whether  or  not  the
necessity of which is disclosed  herein or in any Schedule hereto) is reasonably
necessary to prevent a default under any outstanding  material obligation of the
Buyer,  the Seller or the Company,  and such consent is not  obtainable  without
material  cost or penalty  (unless the party or parties not seeking to terminate
this  Agreement  agrees  or agree to pay such  cost or  penalty);  or (c) by the
Buyer,  or by the Seller,  at any time on or after March 16, 1998 (the  "Outside
Closing  Date"),  if the  transactions  contemplated  hereby shall not have been
consummated prior thereto, and the party directing termination shall not then be
in  breach  or  default  of any  obligations  imposed  upon  such  party by this
Agreement.

             11.2 Effect of  Termination.  In the event of termination by either
party as above provided in this Section 11, prompt written notice shall be given
to the other party. Termination of this Agreement shall not relieve either party
of any of its obligations  pursuant to Section 7.1 above,  and shall not relieve
any breaching party from liability for any breach of this Agreement.


<PAGE>



         12. INDEMNIFICATION.

             12.1      General.

                 (a) From and after the Closing  Date,  the Seller shall defend,
indemnify  and hold  harmless the Buyer from,  against and in respect of any and
all  claims,  losses,  costs,  expenses,  obligations,   liabilities,   damages,
recoveries  and  deficiencies,  including  interest,  penalties  and  reasonable
attorneys'  fees,  that the Buyer may incur,  sustain or suffer  ("Losses") as a
result of any  breach  of, or  failure  by the  Seller  to  perform,  any of the
representations,  warranties, covenants or agreements of the Seller contained in
this Agreement.

                 (b) From and after the Closing  Date,  the Buyer shall  defend,
indemnify and hold  harmless the Seller from,  against and in respect of any and
all  claims,  losses,  costs,  expenses,  obligations,   liabilities,   damages,
recoveries  and  deficiencies,  including  interest,  penalties  and  reasonable
attorneys' fees, that the Seller may incur, sustain or suffer as a result of any
breach  of, or  failure  by the Buyer to  perform,  any of the  representations,
warranties, covenants or agreements of the Buyer contained in this Agreement.

             12.2      Limitations on Certain Indemnity.

                 (a)  Notwithstanding  any other  provision of this Agreement to
the contrary,  except for (i) Losses  arising out of claims for breach of any of
the  warranties  made under  Sections 4.1, 4.2, 4.4, 4.5, 4.8 and/or 4.20 above,
and/or (ii) Losses involving proven fraud by the Seller, the Seller shall not be
liable to the Buyer with  respect to Losses  unless and until,  and then only to
the extent that, the aggregate  amount of all Losses incurred by the Buyer shall
exceed the sum of $15,000 (the "Basket").  The Seller shall thereafter be liable
for all  Losses in excess of the  Basket,  provided  that the  Seller's  maximum
aggregate liability in respect of all Losses shall not, in the absence of proven
fraud by the Seller in respect of any particular Losses, in any event exceed the
limitations set forth in Section 12.2(b) below.

                 (b) Except with respect to any Losses involving proven fraud by
the  Seller,  the  Seller  shall  only be  required,  in the  aggregate,  to pay
indemnification  hereunder,  after  application  of the Basket,  up to a maximum
amount equal to the Consideration.

                 (c) Except with  respect to (i) Losses  arising  under  Section
4.1, 4.2, 4.4 or 4.5 above, or (ii) any particular  Losses the  non-discovery of
which is  attributable  in whole or significant  part to any proven fraud by the
Seller (as to which Losses claims may be made  hereunder  within the  applicable
statute of limitations),  the Buyer shall be entitled to  indemnification by the
Seller for Losses only in respect of claims for which notice of claim shall have
been given to the Seller on or before March 31, 1999, or, with respect to Losses
relating to a breach of any warranties  under Section 4.8 above,  the expiration
of the  final  statute  of  limitations  for those tax  returns  covered  by the
warranties under Section 4.8 above; provided,  however, that the Buyer shall not
be  entitled  to  indemnification  from the Seller in the event that the subject
claim for  indemnification  relates to a third-party claim and the Buyer delayed
giving  notice  thereof  to the  Seller to such an  extent as to cause  material
prejudice to the defense of such third-party claim.

             12.3 Claims for  Indemnity.  Whenever a claim shall arise for which
any party shall be entitled to indemnification  hereunder, the indemnified party
shall notify the indemnifying  party in writing within ten (10) business days of
the indemnified  party's first receipt of notice of, or the indemnified  party's
obtaining  actual knowledge of, such claim, and in any event within such shorter
period as may be necessary for the indemnifying party to take appropriate action
to  resist  such  claim.  Such  notice  shall  specify  all  facts  known to the
indemnified  party giving rise to such  indemnity  rights and shall estimate (to
the extent  reasonably  possible)  the  amount of  potential  liability  arising
therefrom. If the indemnifying party shall be duly notified of such dispute, the
party shall attempt to settle and compromise the same or may agree to submit the
same to arbitration or, if unable or unwilling to do any of the foregoing,  such
dispute  shall  be  settled  by  appropriate  litigation,   and  any  rights  of
indemnification   established   by  reason  of  such   settlement,   compromise,
arbitration or litigation shall promptly thereafter be paid and satisfied by the
indemnifying party obligated to make indemnification hereunder.

             12.4 Right to  Defend.  If the facts  giving  rise to any claim for
indemnification  shall involve any actual or threatened  action or demand by any
third  party  against  the  indemnified  party  or any of  its  Affiliates,  the
indemnifying  party  shall be entitled  (without  prejudice  to the  indemnified
party's  right to  participate  at its own  expense  through  counsel of its own
choosing), at its expense and through counsel


<PAGE>



of its own  choosing,  to  defend  or  prosecute  such  claim in the name of the
indemnifying  party, or if necessary,  in the name of the indemnified  party. In
any event,  the  indemnified  party shall give the  indemnifying  party  advance
written  notice of any proposed  compromise or settlement of any such claim.  If
the remedy  sought in any such  action or demand is solely  money  damages,  the
indemnifying  party shall have fifteen (15) days after receipt of such notice of
settlement to object to the proposed compromise or settlement, and if it does so
object,  the  indemnifying  party shall be required  to  undertake,  conduct and
control,  though  counsel  of its own  choosing  and at its  sole  expense,  the
settlement or defense  thereof,  and the indemnified  party shall cooperate with
the indemnifying party in connection therewith.

         13. POST-CLOSING EVENTS.

             The parties hereby further agree that, from and after the Closing:

             13.1 Books and Records.  At any time and from time to time from and
after the Closing Date, the Buyer shall permit the Seller to have access, during
normal  business hours and without undue  disruption of the Buyer's or Company's
business, to those books and records of the Company relating to periods prior to
the  Closing  Date,  for  purposes  of  preparing  any tax  filings or any other
legitimate  purpose of the Seller.  Such books and records may be made available
at any location  where the Company  maintains  same,  and all costs and expenses
relating  to such  access  and  inspection  shall be the  responsibility  of the
Seller.

             13.2  Further  Assurances.  From  time to time  from and  after the
Closing  Date,  the  parties  will take any and all such  action and execute and
deliver to one another any and all further agreements, instruments, certificates
and other documents,  as may reasonably be requested by any other party in order
more fully to consummate the transactions contemplated hereby.

         14. COSTS.

             14.1 Finder's or Broker's Fees. Each of the Buyer (on the one hand)
and the Seller (on the other hand)  represents  and warrants that neither it nor
any of its  respective  Affiliates  has  dealt  with any  broker  or  finder  in
connection with any of the transactions  contemplated by this Agreement,  and no
broker  or other  person  is  entitled  to any  commission  or  finder's  fee in
connection with any of these transactions.

             14.2 Expenses. The Buyer and the Seller shall each pay all of their
own  respective  costs  and  expenses  incurred  or  to  be  incurred  by  them,
respectively,  in  negotiating  and preparing  this Agreement and in closing and
carrying out the transactions contemplated by this Agreement.

         15. FORM OF AGREEMENT.

             15.1  Effect  of  Headings.  The  Section  headings  used  in  this
Agreement  and the titles of the  Schedules  hereto are included for purposes of
convenience only, and shall not affect the construction or interpretation of any
of the provisions hereof or of the information set forth in such Schedules.

             15.2 Entire  Agreement;  Waivers.  This  Agreement  (including  the
Schedules and Exhibits  hereto)  constitutes  the entire  agreement  between the
parties  pertaining  to the subject  matter  hereof,  and  supersedes  all prior
agreements or understandings as to such subject matter. No party hereto has made
any  representation or warranty or given any covenant to the other except as set
forth in this Agreement and the Schedules and Exhibits hereto.  No waiver of any
of the  provisions of this Agreement  shall be deemed,  or shall  constitute,  a
waiver of any other  provisions,  whether or not  similar,  nor shall any waiver
constitute a continuing  waiver.  No waiver shall be binding unless  executed in
writing by the party making the waiver.

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

         16. PARTIES.

             16.1  Parties  in  Interest.  Nothing  in this  Agreement,  whether
expressed or implied,  is intended to confer any rights or remedies  under or by
reason of this Agreement on any persons other


<PAGE>



than the parties to it and their  respective  successors and permitted  assigns,
nor is  anything  in  this  Agreement  intended  to  relieve  or  discharge  the
obligations  or liability of any third  persons to any party to this  Agreement,
nor shall any  provision  give any third  persons  any right of  subrogation  or
action over or against any party to this Agreement.

             16.2   Notices.   All   notices,   requests,   demands   and  other
communications  under this Agreement  shall be in writing and shall be deemed to
have  been  duly  given  on the  date of  service  if  served  personally  on or
telecopied  to the  party to whom  notice is to be  given,  one day after  being
deposited for overnight delivery with a recognized  overnight courier service in
a properly  addressed  package with all charges prepaid or billed to the account
of the sender,  or on the third day after mailing if mailed to the party to whom
notice is to be given,  by first class mail,  registered or  certified,  postage
prepaid, and properly addressed as follows:

                 (a)   If to the Seller:

                       Diagnostic Imaging Services, Inc.
                       1516 Cotner Avenue
                       Los Angeles, California 90025-3303
                       Attn: Howard G. Berger, M.D.
                       Fax No. (310) 478-5810

                 (b)   If to the Buyer:
                       SoCal Diagnostic Services, Inc.
                       c/o Diagnostic Health Services, Inc.
                       2777 Stemmons Freeway, Suite 1525
                       Dallas Texas 75207
                       Attn: Mr. Brad A. Hummel
                       Fax No. (214) 689-6459

                       with a copy sent concurrently to:

                       Greenberg Traurig Hoffman et al.
                       200 Park Avenue, 15th Floor
                       New York, New York 10166
                       Attn: Shahe Sinanian, Esq.
                       Fax No. (212) 801-6400

or to such other address or telecopier  number as any party shall have specified
by notice in writing given to all other parties.

         17. MISCELLANEOUS.

             17.1 Amendments and Modifications.  No amendment or modification of
this  Agreement or any Exhibit or Schedule  hereto shall be valid unless made in
writing and signed by the party to be charged therewith.

             17.2 Non-Assignability; Binding Effect. Neither this Agreement, nor
any of the rights or obligations of the parties  hereunder,  shall be assignable
by either  party  hereto  without the prior  written  consent of the other party
hereto,  except that the Buyer may,  without  requirement  of any consent of the
Seller, assign its rights to indemnification  hereunder to any secured lender to
the Buyer from time to time. Otherwise, this Agreement shall be binding upon and
shall inure to the benefit of the parties hereto and their respective successors
and permitted assigns.

             17.3 Governing Law; Jurisdiction. This Agreement shall be construed
and  interpreted  and the rights granted herein  governed in accordance with the
laws of the State of Texas  applicable  to  contracts  made and to be  performed
wholly  within such State.  Except as otherwise  provided in Section 12.3 above,
any claim,  dispute or  controversy  arising  under or in  connection  with this
Agreement or any actual or alleged breach hereof shall be settled exclusively by
arbitration in Dallas, Texas in accordance with the commercial arbitration rules
of the American  Arbitration  Association then obtaining.  As part of his or her
award,  the arbitrator  shall make a fair  allocation of the fee of the American
Arbitration Association, the cost of any transcript, and the parties' reasonable
attorneys'  fees,  taking into account the merits and good faith of the parties'
claims and defenses. Judgment may be


<PAGE>



entered on the award so rendered in any court having  jurisdiction.  Any process
or other papers hereunder may be served by registered or certified mail,  return
receipt requested,  or by personal service,  provided that a reasonable time for
appearance or response is allowed.

         IN WITNESS WHEREOF,  the parties have executed this Agreement on and as
of the date first set forth above.

                                             SOCAL DIAGNOSTIC SERVICES, INC.


                                             By:


                                             DIAGNOSTIC IMAGING SERVICES, INC.


                                             By:



<PAGE>



                    AMENDMENT TO  PURCHASE AND SALE AGREEMENT


         AMENDMENT TO PURCHASE AND SALE AGREEMENT  (this  "Agreement"),  entered
into this 5th day of March, 1998, by and among DIAGNOSTIC HEALTH SERVICES, INC.,
a Delaware  corporation ("DHS"),  SOCAL DIAGNOSTIC SERVICES,  INC., a California
corporation and an indirect  wholly-owned  subsidiary of DHS (the "Buyer"),  and
DIAGNOSTIC IMAGING SERVICES, INC., a Delaware corporation (the "Seller");


                              W I T N E S S E T H:


         WHEREAS,  the Buyer and the Seller are  parties to a Purchase  and Sale
Agreement dated February 26, 1998 (the "Purchase and Sale Agreement"),  pursuant
to which the Buyer has agreed to purchase  from the  Seller,  and the Seller has
agreed to sell to the Buyer,  all interests of the Seller in Scripps Chula Vista
Imaging   Center,   L.P.,  for  a  cash  purchase   price  of  $1,400,000   (the
"Consideration"); and

         WHEREAS, in lieu of receiving the Consideration in cash, the Seller has
agreed to accept payment of the  Consideration  in the form of 127,250 shares of
common stock of DHS ("Common  Stock"),  subject to the terms and  conditions  of
this Agreement;

         NOW,  THEREFORE,  in  consideration  of the  premises and of the mutual
covenants and agreements herein set forth, the parties hereby covenant and agree
as follows:

         1.  DEFINITIONS.

         In addition to those terms  defined  elsewhere in this  Agreement,  the
following  terms  shall  have  the  following  meanings  wherever  used  in this
Agreement:

             "Act" shall mean the  Securities  Act of 1933, as amended,  and any
successor statute from time to time.

             "Costs  and  Expenses"  shall  mean all of the costs  and  expenses
relating to the Registration,  including but not limited to registration, filing
and qualification fees, reasonable blue sky expenses, costs of listing Shares on
any exchange or other trading  media,  printing  expenses,  reasonable  fees and
disbursements of counsel to DHS, and accounting fees of DHS; provided,  however,
that underwriting  discounts and commissions  attributable solely to the Shares,
fees  and  disbursements  of  counsel  to the  Seller,  and all  other  expenses
attributable  solely to the Seller  shall not  constitute  "Costs and  Expenses"
payable by DHS or the Buyer hereunder.

             "Exchange Act" shall mean to the  Securities  Exchange Act of 1934,
as amended, and any successor statute from time to time.

             "Registration"  shall mean the next  registration  of Common  Stock
filed by DHS with the SEC after the date hereof  pursuant  to the Act,  provided
that the  "Registration"  shall not include any registration  statement filed on
Form S-4 or Form S-8 in  respect  of any  acquisition,  merger or  consolidation
relating to DHS or any employee benefit plan of DHS.

             "Registration  Statement" shall mean the registration  statement to
be filed by DHS in respect of the Registration.

             "SEC"  shall  mean  the  United  States   Securities  and  Exchange
Commission,  or any  successor  agency  or  agencies  performing  the  functions
thereof.

             "Shares" shall mean the 127,250 shares of Common Stock being issued
pursuant to Section 2(a) below, together with any and all other shares of Common
Stock  which may  hereafter  be issued  upon such  shares by reason of any stock
split, stock dividend, combination of shares,

                                       -1-

<PAGE>



recapitalization  or other such event  which may occur at any time and from time
to time  hereafter with respect to the  outstanding  shares of Common Stock from
time to time.

         2.  ISSUANCE OF THE STOCK.

             (a) In full payment of the Consideration, the Buyer shall cause DHS
to issue to the Seller  127,250  Shares of Common Stock within five (5) business
days after the date of this Agreement.

             (b) The Seller  hereby  acknowledges  that the Shares  being issued
pursuant to Section 2(a) above will, pending the effectiveness of a Registration
pursuant  to  Section 3 below,  constitute  "restricted  securities"  within the
meaning of the Act, and may not be sold, transferred or otherwise disposed of in
the absence of an effective registration statement under the Act or an available
exemption from such registration requirements. The Seller hereby consents to the
placement of appropriate legends on the certificates representing the Shares, to
give notice of such restrictions.

             (c) In order to  permit  the  Seller  to avail  itself  of Rule 144
promulgated  under the Act,  and/or any other rule or regulation of the SEC that
may  at  any  time  permit  the  sale  of  the  Shares  to  the  public  without
registration,  DHS shall,  at all times  until the  Shares  may be sold  without
volume  limitation  under  Rule  144,  make and keep  available  current  public
information  (as those terms are understood and defined in Rule 144) relating to
DHS, and provide to the Seller,  upon written  request  therefor,  (i) a written
statement that DHS has made available current public information  satisfying the
requirements of Rule 144, and (ii) such reasonable number of copies of DHS' most
recent  annual and  quarterly  report and/or such other reports and documents as
satisfy the current  public  information  requirements  or as may  otherwise  be
reasonably  requested  by the  Seller in order to permit  the sale of the Shares
without registration pursuant to an available exemption from registration.

         3.  REGISTRATION PROCEDURES.

         Following the issuance of the Shares under  Section 2 above,  the Buyer
will cause DHS to use its good faith reasonable efforts to:

             (a) include all of the Shares in the Registration Statement (as and
when filed),  and cause such Registration  Statement to be declared effective as
soon as reasonably practicable after the filing thereof;

             (b)  furnish  to  counsel  selected  by the  Seller  copies  of the
Registration  Statement and all prospectuses included therein and any amendments
or supplements  thereto  proposed to be filed with the SEC, which documents will
be subject to review by such  counsel  before  filing  solely with regard to any
information contained therein which pertains to the Seller;

             (c) prepare and file with the SEC such  amendments and  supplements
to such Registration  Statement and the prospectus used in connection therewith,
and any and all  periodic  reports and current  reports,  as may be necessary to
keep such  Registration  Statement  effective for a period of not less than nine
(9) months after the Shares may first be publicly sold  pursuant  thereto and to
comply with the  provisions  of the Act with respect to the  disposition  of all
securities covered by such Registration Statement during such period;

             (d)   furnish  to  the  Seller   such  number  of  copies  of  such
Registration  Statement,  each amendment and supplement thereto,  the prospectus
included in such Registration Statement (including each preliminary  prospectus)
and such  other  documents  as the  Seller  may  reasonably  require in order to
facilitate  the  disposition  of the Shares owned by and registered on behalf of
the Seller;

             (e) register or qualify the Shares under such other  securities  or
blue sky laws of such states as the Seller may reasonably require and do any and
all other acts and things  which may be  reasonably  necessary  or  advisable to
enable  the  Seller  to  consummate  the  disposition  of  the  Shares  in  such
jurisdictions  (provided that DHS will not be required to (i) qualify  generally
to do business in any  jurisdiction  where it would not otherwise be required to
qualify but for this  subparagraph,  (ii) subject itself to taxation in any such
jurisdiction,  or (iii)  consent  to  general  service  of  process  in any such
jurisdiction);


                                       -2-

<PAGE>



             (f) notify the Seller, at any time when a prospectus  relating to a
Registration  Statement  is  required  to be  delivered  under  the Act,  of the
happening  of any  event  as a result  of which  the  prospectus  included  in a
Registration  Statement contains an untrue statement of a material fact or omits
to state  any fact  necessary  to make the  statements  therein  not  materially
misleading, and prepare a supplement or amendment to such prospectus so that, as
thereafter  delivered to the  purchaser(s)  of Shares,  such prospectus will not
contain  an  untrue  statement  of a  material  fact or omit to  state  any fact
necessary to make the statements therein not materially misleading;

             (g)  cause  all of the  Shares to be  listed  for  trading  on each
securities  exchange or other trading medium on which similar  securities issued
by DHS as those which are the subject of such  Registration  Statement  are then
listed;

             (h) if requested (i) by the Seller  reasonably in advance,  provide
to the Seller,  on the effective  date of the  Registration  Statement,  a legal
opinion, dated such date, of DHS' independent counsel engaged in connection with
the Registration, in form and substance as reasonably required by the Seller and
as would  customarily be rendered to an underwriter in an underwritten  offering
utilizing the Registration  Statement,  and (ii) by any broker designated by DHS
pursuant  to Section  5.2 below,  provide to such  broker a  customary  "comfort
letter" of DHS'  independent  public  accountants  with respect to the financial
disclosures in the Registration Statement; and

             (i) cause all Costs and  Expenses  to be paid by DHS or the  Buyer,
and DHS and the Buyer shall  indemnify  and hold harmless the Seller from and in
respect of all Costs and Expenses.

         4.  INDEMNIFICATION.

             4.1  Indemnification  by DHS. DHS shall indemnify and hold harmless
the Seller,  each officer and director of the Seller,  and each person,  if any,
who  controls  the Seller  within the  meaning of the Act,  against  any losses,
expenses, claims, damages or liabilities,  joint or several, to which the Seller
or any such officer,  director or controlling person becomes subject,  under the
Act,  the  Exchange  Act, any state  securities  laws or any rule or  regulation
thereunder or otherwise,  insofar as such losses,  expenses,  claims, damages or
liabilities (joint or several) (or actions in respect thereof) (a) are caused by
any untrue  statement or alleged untrue statement of any material fact contained
in any  preliminary  prospectus  (if  used  prior to the  effective  date of the
Registration  Statement),  or contained,  on the effective date thereof,  in the
Registration  Statement  of which the Shares  are the  subject,  the  prospectus
contained therein,  any amendment or supplement  thereto,  or any other document
related to such Registration  Statement,  (b) arise out of or are based upon the
omission or alleged  omission to state  therein a material  fact  required to be
stated therein or necessary to make the statements  therein not  misleading,  or
(c) arise out of any  violation by DHS of the Act,  the Exchange  Act, any state
securities  laws or any  rule or  regulation  thereunder  applicable  to DHS and
relating to actions or omissions  otherwise  required of DHS in connection  with
such registration. DHS shall reimburse the Seller and any such officer, director
or controlling person for any legal or other expenses reasonably incurred by the
Seller, or any such officer,  director or controlling  person in connection with
investigating,  defending or settling any such loss, claim, damage, liability or
action;  provided,  however, that DHS shall not be liable to any such persons in
any such case to the extent  that any such loss,  claim,  damage,  liability  or
action  arises out of or is based upon any untrue  statement  or alleged  untrue
statement  or  omission  or  alleged  omission  made  in  reliance  upon  and in
conformity with information furnished to DHS in writing by such person expressly
for inclusion in any of the foregoing documents.  This indemnity shall not apply
to amounts paid in  settlement  of any such loss,  claim,  damage,  liability or
action if such settlement is effected without the written consent of DHS.

             4.2 Further  Obligations of the Seller. The obligations of DHS with
respect  to the  Registration  are  subject  to the  Seller's  agreement  to the
following  (which the Seller shall  specifically  confirm in writing to DHS upon
DHS's request):

                 (a) The Seller shall furnish in writing to DHS all  information
concerning the Seller and its affiliates'  holdings of securities of DHS and its
affiliates as shall be required in connection with the preparation and filing of
any Registration Statement covering any of the Shares.

                 (b) The Seller shall  indemnify  and hold harmless DHS, each of
its  directors,  each of its officers who has signed a  Registration  Statement,
legal counsel and accountants for DHS, and each

                                       -3-

<PAGE>



person (if any) who  controls  DHS within the  meaning of the Act,  against  any
losses,  claims,  damages  or  liabilities  to which  DHS or any such  director,
officer, counsel,  accountant or controlling person may become subject under the
Act or any rule or regulation  thereunder or otherwise,  insofar as such losses,
claims,  damages or liabilities  (or actions in respect  thereof) (i) are caused
solely by any untrue  statement or alleged untrue statement of any material fact
contained in any preliminary  prospectus (if used prior to the effective date of
the Registration Statement), or contained, on the effective date thereof, in any
Registration  Statement  of which the Shares  are the  subject,  the  prospectus
contained therein,  any amendment or supplement  thereto,  or any other document
related to such Registration Statement, or (ii) arise out of or are based solely
upon the omission or alleged  omission to state therein a material fact required
to be stated therein or necessary to make the statements therein not misleading,
in each case to the extent,  but only to the extent,  that such untrue statement
or alleged untrue statement or omission or alleged omission was made in reliance
upon and in conformity with information furnished to DHS by the Seller expressly
for inclusion in any of the foregoing documents.  This indemnity shall not apply
to amounts paid in  settlement  of any such loss,  claim,  damage,  liability or
action if such settlement is effected without the written consent of the subject
Seller .

             4.3 Additional Provisions.

                 (a) The Seller and each other  person  indemnified  pursuant to
Section  4.1  above  shall,  in  the  event  that  it  receives  notice  of  the
commencement  of any action  against  it which is based  upon an alleged  act or
omission which, if proven, would result in DHS's having to indemnify it pursuant
to Section 4.1 above,  promptly notify DHS, in writing,  of the  commencement of
such action and permit DHS, if DHS so  notifies  the Seller  within  thirty (30)
days  after  receipt  by DHS of notice of the  commencement  of the  action,  to
participate in and to assume the defense of such action with counsel  reasonably
satisfactory  to the  Seller;  provided,  however,  that  the  Seller  or  other
indemnified  person  shall be  entitled  to retain  its own  counsel  at its own
expense.  The  omission to notify DHS promptly of the  commencement  of any such
action shall not relieve DHS of any  liability  to indemnify  the Seller or such
other indemnified person, as the case may be, under Section 4.1 above, except to
the  extent  that DHS shall  suffer  any loss by reason of such  failure to give
notice,  and shall not  relieve DHS of any other  liabilities  which it may have
under this or any other agreement.

                 (b) DHS and each other person  indemnified  pursuant to Section
4.2 above shall, in the event that it receives notice of the commencement of any
action  against it which is based  upon an alleged  act or  omission  which,  if
proven,  would  result in the Seller  having to indemnify it pursuant to Section
4.2 above,  promptly notify the Seller, in writing,  of the commencement of such
action and permit the Seller,  if the Seller so notifies DHS within  thirty (30)
days after receipt by the Seller of notice of the commencement of the action, to
participate in and to assume the defense of such action with counsel  reasonably
satisfactory to DHS;  provided,  however,  that DHS or other indemnified  person
shall be entitled to retain its own counsel at DHS's  expense.  The  omission to
notify the Seller  promptly of the  commencement  of any such  action  shall not
relieve  the Seller of  liability  to  indemnify  DHS or such other  indemnified
person,  as the case may be, under Section 4.2 above,  except to the extent that
the Seller shall  suffer any loss by reason of such failure to give notice,  and
shall not  relieve the Seller of any other  liabilities  which it may have under
this or any other agreement.

                 (c) No indemnifying  party, in the defense of any such claim or
litigation, shall, except with the consent of each indemnified party, consent to
entry of any judgment or enter into any  settlement  that does not include as an
unconditional  term  thereof  the giving by the  claimant or  plaintiff  to such
indemnified  party of a release  from all  liability in respect to such claim or
litigation.  Each  indemnified  party shall furnish such  information  regarding
itself or the claim in question as an indemnifying  party may reasonably request
in writing and as shall be reasonably required in connection with the defense of
such claim and any litigation resulting therefrom.

                 (d) (i) If a court of competent  jurisdiction  determines  that
the  foregoing   indemnity   provided  under  Sections  4.1  and  4.2  above  is
unavailable,  or is insufficient to hold harmless an indemnified party, then the
indemnifying  party  shall  contribute  to the  amount  paid or  payable  by the
indemnified party as a result of such losses,  claims,  damages,  liabilities or
expenses  (A) in such  proportion  as is  appropriate  to reflect  the  relative
benefits received by the indemnifying  party on the one hand and the indemnified
party on the other, or (B) if the allocation provided by clause (A) above is not
permitted by applicable law, or provides a lesser sum to the  indemnified  party
than the amount hereinafter calculated,  in such proportion as is appropriate to
reflect not only the relative benefits received by the

                                       -4-

<PAGE>



indemnifying  party on the one hand and the indemnified  party on the other, but
also the relative fault of the indemnifying  party and the indemnified party, as
well as any other relevant equitable considerations.
 Notwithstanding the contribution provisions of this Section 4.3(d), in no event
shall the amount  required to be  contributed  by the Seller be greater than the
dollar amount of the gross proceeds received by the Stockholder upon the sale of
those Shares  giving rise to the  contribution  obligation.  No person guilty of
fraudulent  misrepresentation  (within the meaning of Section  11(f) of the Act)
shall be  entitled  to  contribution  from any person who was not guilty of such
fraudulent misrepresentation.

                       (ii) In the  event  that the  indemnifying  party and the
indemnified party are
unable to mutually agree on the relative  benefits to and/or the relative faults
of such persons and the amounts of appropriate contribution,  such dispute shall
be resolved by final,  binding and enforceable  arbitration  before the American
Arbitration Association in Los Angeles, California.

             4.4 Survival;  Interim  Payments.  The  obligations  of the parties
under this Section 4 shall survive the  completion of any offering of the Shares
pursuant to the Registration, and the indemnities hereunder shall remain in full
force and effect regardless of any investigation  made by or on behalf of either
party.  In addition to its other  obligations  under this  Section 4, each party
agrees that,  as an interim  measure  during the pendency of any claim for which
indemnification  or  contribution  may be available  hereunder,  each party will
reimburse  the  other  on a  monthly  basis  for all  reasonable  legal or other
expenses  incurred in  connection  with  investigating  or defending the subject
claim,  notwithstanding  the  absence  of a  judicial  determination  as to  the
propriety or  enforceability  of the  indemnification  obligations  hereunder as
relates to such expenses,  or the possibility  that such payments might later by
held to have been improper by a court of competent  jurisdiction.  To the extent
that any such interim  reimbursement  payment is so held to have been  improper,
the recipient of such improper  payment shall promptly return to the other party
the amount of such improper  payment  together with interest thereon at the rate
of 10% per annum from the date received to the date  refunded.  Any such interim
reimbursement  payments which are not made within thirty (30) days after written
request  therefor shall bear interest at the rate of 10% per annum from the date
of request to the date of payment.  The indemnity and  contribution  obligations
under  this  Section 4 shall be in  addition  to any other  liability  which the
parties may otherwise have.

         5.  TRANSFER RESTRICTIONS.

             Regardless  of the  filing  or  effectiveness  of any  Registration
Statement and/or any prospectus included therein, the following restrictions and
limitations shall at all times apply to the Shares:

             5.1 Volume Limitations. During the period ending on the first (1st)
anniversary of the date hereof,  the Seller will not,  without the prior written
consent  of  DHS  in  each  instance,  sell,  pledge,   transfer,   dispose  of,
hypothecate,  encumber or  otherwise  alienate or grant any option in respect of
any legal or beneficial interest in more than:

                 (a)   one third (1/3) of the total Shares in any period of
sixty (60) consecutive calendar days;

                 (b)   one third (1/3) of the total Shares in any period of
fourteen (14) consecutive calendar days; or

                 (c) fifteen thousand (15,000) Shares (such number to be subject
to  proportionate  adjustment upon the occurrence of any of the events causing a
change in the number of Shares in  accordance  with the  definition  of "Shares"
above) in any period of two (2) consecutive trading days.

             5.2 Transfer  Brokers.  During the period ending on the first (1st)
anniversary of the date hereof,  all sales,  transfers or other  dispositions of
Shares shall be made or effected  through such  broker(s) as shall be designated
by DHS from time to time. The Seller shall, in each instance, give not less than
three (3)  business  days'  prior  written  notice to DHS of any intent to sell,
transfer or otherwise dispose of any Shares.

             5.3  Legend.  The  Seller  hereby  consents  to  the  placement  of
appropriate legends on all certificates  representing  Shares, to give notice of
the restrictions and limitations pursuant to this paragraph 5.


                                       -5-

<PAGE>



         6.  FORM OF AGREEMENT.

             6.1 Effect of Headings. The Section headings used in this Agreement
are  included  for  purposes  of  convenience  only,  and shall not  affect  the
construction or interpretation of any of the provisions hereof.

             6.2 Entire  Agreement;  Waivers.  This  Agreement  constitutes  the
entire  agreement  between the parties  pertaining to the subject matter hereof,
and supersedes all prior agreements or understandings as to such subject matter.
No party hereto has made any representation or warranty or given any covenant to
the  other  in  respect  of such  subject  matter  except  as set  forth in this
Agreement;  provided,  however, that nothing herein contained shall be deemed to
abrogate or impair any of the representations and warranties made by the parties
in the Stock  Purchase  Agreement.  No waiver of any of the  provisions  of this
Agreement  shall  be  deemed,  or  shall  constitute,  a  waiver  of  any  other
provisions, whether or not similar, nor shall any waiver constitute a continuing
waiver.  No waiver  shall be  binding  unless  executed  in writing by the party
making the waiver.

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

         7.  PARTIES.

             7.1  Parties  in  Interest.  Nothing  in  this  Agreement,  whether
expressed or implied,  is intended to confer any rights or remedies  under or by
reason of this  Agreement on any persons  other than the parties to it and their
respective  successors and permitted assigns,  nor is anything in this Agreement
intended to relieve or  discharge  the  obligations  or  liability  of any third
persons to any party to this  Agreement,  nor shall any provision give any third
persons  any right of  subrogation  or action  over or against any party to this
Agreement.

             7.2   Notices.   All   notices,   requests,   demands   and   other
communications  under this Agreement  shall be in writing and shall be deemed to
have  been  duly  given  on the  date of  service  if  served  personally  on or
telecopied  to the  party to whom  notice is to be  given,  one day after  being
deposited for overnight delivery with a recognized  overnight courier service in
a properly  addressed  package with all charges prepaid or billed to the account
of the sender,  or on the third day after mailing if mailed to the party to whom
notice is to be given,  by first class mail,  registered or  certified,  postage
prepaid, and properly addressed as follows:

             (a) If to the Seller:

                 Diagnostic Imaging Services, Inc.
                 1516 Cotner Avenue
                 Los Angeles, California 90025-3303
                 Attn: Howard G. Berger, M.D.
                 Fax No. (310) 478-5810

             (b) If to the Buyer or DHS:

                 Diagnostic Health Services, Inc.
                 2777 Stemmons Freeway, Suite 1525
                 Dallas Texas 75207
                 Attn: Mr. Max W. Batzer
                 Fax No. (214) 689-6459

                 with a copy sent concurrently to:

                 Greenberg Traurig Hoffman et al.
                 Met Life Building
                 200 Park Avenue - 15th Floor
                 New York, New York 10166
                 Attn: Shahe Sinanian, Esq.

                                       -6-

<PAGE>


                 Fax No. (212) 801-6400

or to such other address or telecopier  number as any party shall have specified
by notice in writing given to all other parties.

         8.  MISCELLANEOUS.

             8.1 Amendments and  Modifications.  No amendment or modification of
this Agreement  shall be valid unless made in writing and signed by the party to
be charged therewith.

             8.2 Non-Assignability;  Binding Effect. Neither this Agreement, nor
any of the rights or obligations of the parties  hereunder,  shall be assignable
by any party  hereto  without  the prior  written  consent of all other  parties
hereto,  provided  that the Seller  may,  upon  written  notice to (but  without
requirement of consent of) DHS or the Buyer,  assign its rights and  obligations
pursuant to this  Agreement to any assignee or  transferee  of the Shares (other
than an assignee or transferee acquiring pursuant to the Registration  Statement
or pursuant to a transfer  under Rule 144(k)  promulgated  under the Act).  This
Agreement  shall be binding  upon and shall  inure to the benefit of the parties
hereto and their respective successors and permitted assigns.

             8.3 Governing Law; Jurisdiction.  This Agreement shall be construed
and  interpreted  and the rights granted herein  governed in accordance with the
laws of the State of Texas  applicable  to  contracts  made and to be  performed
wholly within such State. Any claim,  dispute or controversy arising under or in
connection  with this  Agreement or any actual or alleged breach hereof shall be
settled  exclusively by arbitration  in Los Angeles,  California,  in accordance
with the commercial  arbitration rules of the American  Arbitration  Association
then obtaining.  As part of his or her award,  the arbitrator  shall make a fair
allocation of the fee of the American Arbitration  Association,  the cost of any
transcript, and the parties' reasonable attorneys' fees, taking into account the
merits  and good faith of the  parties'  claims and  defenses.  Judgment  may be
entered on the award so rendered in any court having  jurisdiction.  Any process
or other papers hereunder may be served by registered or certified mail,  return
receipt requested,  or by personal service,  provided that a reasonable time for
appearance or response is allowed.

         IN WITNESS WHEREOF,  the parties have executed this Agreement on and as
of the date first set forth above.

                        DIAGNOSTIC HEALTH SERVICES, INC.

                                         By:


                         SOCAL DIAGNOSTIC SERVICES, INC.


                                         By:


                        DIAGNOSTIC IMAGING SERVICES, INC.


                                         By:


                                       -7-



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