Exhibit 10.18
                                                               Portions redacted
                                     * Certain information on this page has been
                                       omitted and filed separately with the
                                       Securities and Exchange Commission.
                                       Confidential treatment has been requested
                                       with respect to the omitted portions.

                            COLLABORATION AGREEMENT

THIS AGREEMENT is made as of April 30, 2001,

BETWEEN:

          Transworld Pharmaceuticals  Corporation Inc., a company having offices
          at Sassoon House, Shirley Street, Nassau, New Providence, Bahamas, and
          Toray Trading Corp. a Cyprus company

          ("TPh / Toray")

AND:

          Dragon  Pharmaceuticals  Inc., a  corporation  having an office at 543
          Granville St., Vancouver, BC. Canada V6C lX8

          ("Dragon")

WHEREAS:

(A)       Transworld  Pharmaceuticals  Corporation,  together with Toray, having
control and  ownership of certain  intellectual  property,  to whit:  methods of
formulation of purified bulk  recombinant  Human  erythropoietin  (rHu EPO) with
recombinant  Hyaluronic Acid (rHA), for the achievement of a novel  slow-release
formulation of rHu EPO.

(B)       TPh  /  Toray  has  agreed  to  grant  certain  rights  to  Dragon  to
manufacture and sell the Product in a specified  market,  and to manufacture the
product on a fee-for-service basis for sale to TPh / Toray;

THIS  AGREEMENT   WITNESSES  that  in   consideration   of  $1  paid  and  other
consideration  given,  by each  party  to each  other  party,  the  receipt  and
sufficiency of which each party  acknowledges,  the parties  severally  AGREE as
follows:

                                     PART l

                         DEFINITIONS AND INTERPRETATION

Definitions

1.1       In this Agreement,  except as otherwise  expressly  provided or as the
context otherwise requires:

     (a)  Affiliate of a party means a corporation  or entity that,  directly or
     indirectly,  controls, is under common control with or is controlled by the
     specified party;

                                       1

     (b)  current GMP means current good  manufacturing  practices as determined
     by the World Health Organization;

     (c)  Indication  means  the  use of  the  Product  to  treat  a  particular
     condition as described in Schedule A;

     (d)  Marketing Approval has the meaning set out in ss.2.9;

     (e)  Product  means the  formulation  of rHu EPO and rHA  achieving a novel
     slow release formulation

     (f)  Purchase Orders has the meaning set out in ss.4.5

Interpretation

1.2       In this Agreement,  except as otherwise  expressly  provided or as the
context otherwise requires,

     (a)  "this   Agreement"   means  this   agreement  as  from  time  to  time
     supplemented or amended by one or more agreements  entered into pursuant to
     the applicable provisions of this Agreement,

     (b)  a reference to a Part is to a Part of this  Agreement,  and the symbol
     ss. followed by a number or some  combination of numbers and letters refers
     to the  section,  paragraph,  subparagraph,  clause  or  subclause  of this
     Agreement so designated,

     (c)  headings are solely for  convenience of reference and are not intended
     to be  complete  or  accurate  descriptions  of  content or to be guides to
     interpretation of this Agreement or any part of it,

     (d)  the word  "including",  when following a general statement or term, is
     not to be  construed  as  limiting  the  general  statement  or term to any
     specific  item or matter  set forth or to  similar  items or  matters.  but
     rather as  permitting  the general  statement  or term to refer also to all
     other  items or  matters  that could  reasonably  fall  within is  broadest
     possible scope,

     (e)  an  accounting  term not  otherwise  defined  herein  has the  meaning
     assigned to it, and every  calculation  to be made hereunder is to be made,
     in accordance with accounting  principles  generally accepted in the United
     States applied on a consistent basis,

     (f)  a reference to currency means United States currency,

     (g)  a reference to a statute includes all regulations made thereunder, all
     amendments to the statute or  regulations  in force from time to time,  and
     every statute or regulation that  supplements or supersedes such statute or
     regulations,

     (h)  a reference to an entity includes any successor to that entity,

     (i)  a word  importing  the  masculine  gender  includes  the  feminine and
     neuter,  a word in the  singular  includes the plural,  a word  importing a
     corporate entity includes an individual, and vice versa,

                                       2


     (j)  and a reference to  "approval",  "authorization"  or  "consent"  means
     written approval, authorization or consent.


                                     PART 2

                                GRANT OF LICENSE

License

2.1       Subject to the terms of this  Agreement,  TPh / Toray hereby grants to
Dragon an exclusive  license to manufacture  and sell the Products in the Market
Area for treatment of the  Indications.  Additionally,  Dragon is to be the sole
manufacturer  of the product for markets both within its  territory,  as well as
for territories in which TPh / Toray market the product.

2.2       Nothing in this Agreement  confers on Dragon any interest,  licence or
right in respect of Products other than as set out herein, and the Products will
remain the exclusive  property of TPh / Toray and its Affiliates.  Sales outside
of the Market Area are prohibited,  unless granted in writing to Dragon by TPh /
Toray. New Drug Licenses and production permits for the product within China are
to be owned by Dragon.

2.3       Dragon will forthwith  disclose to TPh / Toray every improvement to or
further  development  of the  Products,  including  the results of any research,
testing or clinical trials  conducted by or on behalf of Dragon.  The results of
such research, testing, trials and improvements will be immediately disclosed to
TPh / Toray and will be jointly  owned by TPh / Toray and  Dragon,  without  any
obligation of Dragon,  with respect to the ownership or use of such  information
or the payment of any compensation.

Dragon's Regulatory Obligations

2.4       Dragon  will  be  responsible  for  obtaining,  at  its  expense,  all
registrations  from  applicable  regulatory  authorities  in order to permit the
manufacture  and  sale  of  the  product  in the  Market  Area  (the  "Marketing
Approval"). In particular, Dragon will

     (a)  Complete any and all actions required to register the product with the
     State Drug  Administration  of the  People's  Republic of China in order to
     obtain a new drug license and manufacturing permit for the product.

2.5       TPh / Toray will use reasonable  efforts to assist Dragon in obtaining
the new drug license and manufacturing permit, including providing to Dragon

     (a)  Results of any and all technical research,  to include full results of
     pre-clinical, phase I and phase II human studies, and

     (b)  TPh / Toray will work to achieve  optimum  formulation  methods  using
     purified  bulk  EPO  provided  at no  cost  by  Dragon,  and  will  provide
     documentation of same.

     (c)  Additionally,  TPh / Toray will provide hands-on technical  assistance
     to Dragon  affiliates in China and North America  during the initial period
     of collaboration.

     (d)  Costs to be borne by either side during the development  phase of this
     collaboration are as described in Schedule A.

                                       3

2.6       All  registrations  made in order to obtain the Marketing  Approval in
China will be made by Dragon on its own behalf and in its own name.

Sublicenses

2.7       Dragon may not grant  sublicenses  to sell the  Products in the Market
Area, except as authorised in writing by TPh / Toray.


                                     PART 3

                                    MARKETING

Marketing Plan

3.1       Dragon,  TPh  /Toray  and  their  Affiliates  will  jointly  develop a
marketing plan (the "Marketing Plan") for the sale of the products in the Market
Area, which will include targets for reasonable minimum Product sales by Dragon.
The  marketing  plan will be prepared by September 1 of each year and will cover
the following  12-month period from January 1 to December 31. The Marketing Plan
will be reviewed quarterly by representatives of Dragon and TPh / Toray.

Branding

3.2       Dragon and TPh / Toray will  jointly  determine a name under which the
Products  will be  so1d  in the  Market  Area.  At  Dragon's  option,  the  name
"Transworld  Pharma  Corp." and any related  trademarks  will be included in, or
linked and used with, the name selected. TPh / Toray and Dragon will jointly own
the brand name developed.

Market Area Packaging

3.3       Dragon  will work with TPh / Toray to  develop  distinctive  packaging
materials  suitable to the Market  Area.  All  packaging  will be subject to the
approval  of TPh / Toray and will  include,  at the option of TPh / Toray,  such
trademark  or logos  of TPh / Toray or its  Affiliates  as  determined  by TPh /
Toray. Dragon will be responsible for the costs of all packaging.


                                     PART 4

                           PRICING, ORDERS AND PAYMENT

Price

4.1       TPh / Toray  will  receive  from  Dragon  royalties  from net sales of
product  at rates  set out in  Schedule  A,  such  rates to be in  effect  until
December 31 of each year.

4.2       Notwithstanding any change in the royalty rates set out in Schedule A,
no price change will effect the price of any Products for which a Purchase Order
has been received and accepted by Dragon.

4.3       Dragon's price to TPh / Toray for the finished product manufactured by
Dragon is set our in Schedule A.

                                       4


Resale Prices

4.4       Subject to all applicable laws and the approval of TPh / Toray,  which
will not be unreasonably withheld, Dragon will determine the prices at which the
Products  will be sold in the Market Area. In reviewing the resale price for the
Products,  TPh / Toray  and  Dragon  will take into  account  considerations  of
consumer  affordability  and  maintaining   appropriate  price  advantages  over
competitors.

Delivery Times

4.5       Dragon will  promptly  fill all purchase  Orders  received  from TPh /
Toray in  accordance  with the terms of each  Purchase  Order  and will  ensure,
unless a  longer  delivery  time is  specified  in a  Purchase  Order,  a 60-day
delivery  time for each such  Purchase  Order.  If Dragon is able to deliver the
Products in a shorter  period of time than specified in the Purchase  Order,  it
will notify TPh / Toray of such earlier delivery date.

4.6       Notwithstanding  ss.4.7,  if Dragon  for any  reason  can not meet the
delivery times in a Purchase  Order,  it will notify TPh / Toray of the expected
delivery date when it confirms the Purchase Order under ss.4.6.  Upon receipt of
Dragon's  notice of the  expected  delivery  date,  TPh / Toray  may,  on notice
delivered  to Dragon  within five  business  days of  Dragon's  receipt of TPh /
Toray's confirmation of the Purchase Order,  withdraw the Purchase Order. If the
Purchase Order is not withdrawn,  the delivery times in ss.4.7 will be deemed to
be amended to the time set out in Dragon's confirmation of the Purchase Order.

Payment

4.7       TPh / Toray will make full payment to Dragon for  Products  shipped to
it on a date after the date of shipment  agreed on a case by case basis provided
that before the expiry of the payment  period,  Dragon has  received  from TPh /
Toray the following documents:

          (a) Dragon's detailed invoice;

          (b) customs' invoice;

          (c) air waybill;

          (d) packing list; and

          (e) pharmaceutical  certificate  of analysis,  quality  assurance and
          quality control documents and batch certificates.

Letter of Credit

4.8       TPh / Toray  will,  at the  request of Dragon,  at any time during the
term of this  Agreement,  provide a standby  letter of credit to  Dragon,  which
letter of credit may be drawn by Dragon  upon  default by TPh / Toray of payment
in collection with any Products as provided in ss.4.7. Notwithstanding any other
provision of this Agreement,  if it has requested a letter of credit Dragon will
not be obligated to manufacture or deliver any Product until it has received the
letter of credit.

4.9       The value of the standby letter of credit need not exceed the value of
the Purchase Order for which Dragon has requested the letter of credit.

                                       5

Audit Right

4.10      Dragon will keep clear and accurate  books and records of all sales of
Products in the Market Area.  Up to twice a year,  at the request and expense of
TPh / Toray,  and upon at least  five days prior  written  notice,  Dragon  will
permit  TPh / Toray to review  the books and  records  during  regular  business
hours.

Additional Procedures

4.11      The  parties  recognize  that  additional  procedures  related  to the
purchase and shipment of Products may be necessary  from time to time during the
term of this  Agreement and each will  cooperate with the other to formulate and
implement new policies and procedures.


                                     PART 5

                                  MANUFACTURING

Specifications

5.1       Dragon  will  produce,  or will  arrange  for the  production  of, all
Products to its best technical  standards and in accordance  with current GMP in
effect at the time of manufacture.

Shipping

5.2       Dragon will ensure that each shipment  conforms to the Purchase  Order
and all Products  will be packaged  and shipped in  accordance  with  recognized
standards for  guaranteeing  maintenance  of the "cold" chain from the Products'
manufacturing facility to Dragon's facility,  through a mutually agreed upon air
courier  service.  To permit the proper  tracking of a Product,  the air waybill
number will be transmitted  to Dragon as soon as  practicable  after shipment of
the Product.

Storage and Inspection

5.3       TPh / Toray will promptly store all Products  immediately upon receipt
in a storage  facility  described in ss.2.12(b) and will, as soon as practicable
after  receipt  of any  Product,  inspect  the  shipment  and  advise  Dragon of
conformity with the Purchase Order.

Testing of Product

5.4       TPh  /  Toray  may  arrange  for:  the  Product  to  be  tested  at an
independent  third  party  facility   including   government   ministry-operated
laboratories in Sweden or Portugal,  to determine whether the efficacy or purity
of the Product is within  manufacturing  specifications  as provided  for in the
Marketing Approval. TPh / Toray will promptly notify Dragon of such test results
once received.

5.5       If the testing  conducted  under  ss.5.4  determines  that the Product
fails to meet the  standards of efficacy or purity  required  under the terms of
the Marketing  Approval,  TPh / Toray will be entitled to receive, at the option
of Dragon,  a refund of the purchase price as specified in the Purchase Order or
a replacement  shipment of the Product.  Notwithstanding  the foregoing,  Dragon
may,  before  providing a refund or replacement  Product,  conduct testing at an
independent  third party  facility of the  Product  shipment.  If the results of
Dragon's  testing  indicate  that the Product does meet the standards set out in
the  Marketing  Approval,  TPh / Toray and Dragon will use good faith efforts to

                                       6

resolve the discrepancy in the test results and make a  determination  as to the
suitability of the shipment for sale.


                                     PART 6

                       CONFIDENTIALITY AND NON-COMPETITION

Confidentiality

6.1       In order to protect all  confidential or proprietary  information that
may be shared between the parties during the term of this Agreement,  concurrent
with, or as soon as  practicable  after,  the execution of this  Agreement,  the
parties will enter into a non-disclosure agreement.

6.2       The  non-disclosure  agreement  referred to in ss.6.1  will,  with the
necessary  changes,  be substantially in the form of the agreement dated October
19th, 2000 between TPh and Dragon.

Non-Competition

6.3       During  the term of this  Agreement,  and for a period of three  years
thereafter, Dragon will not, directly or indirectly,

          (a)  in sole proprietorship,

          (b)  in any partnership,

          (c)  as the owner then more than 10% of the shares of any class of any
          corporation  engaged in the  manufacture,  sale or distribution of the
          Product, or

          (d)  in a  business  which  competes  with  the  TPh /  Toray  or  its
          Affiliates or partners,

engage in or carry on the business of manufacturing,  distributing, marketing or
selling,  the Product in and outside of the Market Area,  including  seeking to,
either directly or indirectly,  obtain a licence or any other right or authority
from any  party to  manufacture,  distribute,  market  or sell a  product  which
competes with the Product.

6.4       Dragon  agrees  and  acknowledges  that all the  restrictions  in this
Agreement are reasonable for the protection of the legitimate business interests
and  proprietary  rights of TPh / Toray and its Affiliates and hereby waives all
defences to the strict enforcement thereof.

                                     PART 7

                               DISPUTE RESOLUTION

Disputes

7.1       If at any time there is a dispute  among the parties  with  respect to
any matter  relating  to this  Agreement,  any party that wishes the issue to be
considered further will give notice to the other of that it requires the dispute
to be decided under the terms of this Agreement.

                                       7

Referral to Senior Officers

7.2       If a notice is given under ss.7.1, a senior officer designated by each
party will  undertake  discussions  for the purpose of settling the  dispute.  A
decision  reached by these officers and  communicated  in writing to the parties
will be determinative of the dispute and will be binding on each party.

Arbitration

7.3       If no decision is reached  under ss.7.2  within 30 days of the dispute
being sent for  consideration,  either  party may,  by notice to the other party
given at any time before a decision is rendered under ss.7.2, submit the dispute
for  determination by a single  arbitrator acting under the Rules of the British
Columbia Commercial Arbitration Centre.

7.4       If the parties can not agree on a single  arbitrator,  the  arbitrator
will be appointed by the British Columbia  International  Commercial Arbitration
Centre.

7.5       The  arbitration  will take place in Vancouver,  British  Columbia and
will be administered by the British Columbia  International  Arbitration  Centre
and conducted in accordance with the procedures of the Centre.


                                     PART 8

                              TERM AND TERMINATION

Term

8.1       This Agreement will be in effect for a 10 year period from the date of
signing  and will be renewed  automatically  for  successive  three  years terms
unless otherwise terminated in accordance with the terms hereof (the "Term").

Termination by Either Party

8.2       Either party may terminate this Agreement

     (a)  upon  notice  given at least 180 days  before  the end of the  current
     Term, such termination to come into effect at the end of that Term, or

     (b)  immediately upon written notice if the other party

          (i)  is in breach or violates  any of the terms and  conditions  of or
               fails to perform any of its obligations under this Agreement and,
               after receiving  notice from the other party,  does not cure such
               default within 60 days, or

          (ii) becomes insolvent,  bankrupt, makes an assignment for the benefit
               of its creditors or has a receiver, receiver/manager,  trustee or
               liquidator appointed in respect of its business or its assets.

Termination by TPh / Toray:

8.3       Notwithstanding any other provision of this Agreement, TPh / Toray may
terminate this Agreement immediately upon written notice to Dragon if

                                       8

          (a)  TPh / Toray and  Dragon  have not  agreed  to a  revised  pricing
          schedule as provided for in ss.4.1,

          (b)  TPh / Toray determines, acting reasonably, that Dragon has failed
          to satisfy  any  material  provision  of the current  Marketing  Plan,
          including a failure to meet any minimum  purchase volume  specified in
          the Marketing Plan, or;

          (c)  there is a breach of the non-disclosure  agreement executed under
          ss.6.l.

Loss of Exclusivity

8.4       If TPh / Toray has the right to terminate the Agreement  under ss.8.3,
it may by notice to Dragon make the license granted under ss.2.1  non-exclusive.
The  exercising  of this right  does not  affect  the  ability of TPh / Toray to
terminate this Agreement under ss.8.3 on a further occurrence of the matters set
out in that section.

Liabilities

8.5       Upon  termination  of  this  Agreement,  Dragon  will be  required  to
complete any and all existing  Purchase Orders as at the date of termination and
Dragon  will  be  required  to  receive  and pay for  all  Products  shipped  in
connection with such Purchase Orders.


                                     PART 9

                         LIABILITIES AND INDEMNIFICATION

Limitation of Liability

9.1       TPh / Toray will not be liable to Dragon or any of its  Affiliates for
any incidental, special, or consequential damages resulting from exercise of the
rights  granted  herein or the use of the  Product.  The  maximum  amount of any
liability  of TPh / Toray  to  Dragon  for  damages  will be the  amount  of the
Purchase Order in respect of the Product  delivered which caused, or resulted in
the allegation of, damages.

Indemnification

9.2       Dragon will indemnity,  hold harmless,  and defend TPh / Toray and its
Affiliates,  its  officers,  employees,  and agents  against any and all claims,
suits, losses,  damage,  costs, fees, and expenses resulting from or arising out
of  exercise  of the rights  granted  under this  Agreement  and the sale of the
Product.  This  indemnification  will  include,  but will not be limited to, any
product liability.

Insurance

9.3       Dragon,  at its sole cost and expense,  will insure its  activities in
connection  with the work under this  Agreement and obtain,  keep in force,  and
maintain insurance or an equivalent program of self insurance.

Notice of Claim

9.4       TPh / Toray  will  promptly  notify  Dragon in writing of any claim or
suit brought  against TPh / Toray in respect of which  Dragon  intends to invoke
the provisions of this Part.  Dragon will keep TPh / Toray informed on a current
basis of its defense of any claims pursuant to this Part.

                                       9

                                     PART 10

                               GENERAL PROVISIONS

Entire Agreement

10.1      This Agreement  constitutes the entire  agreement  between the parties
and   supersedes   every   previous   agreement,   communication,   negotiation,
representation or understanding,  whether oral or written, expressed or implied,
between the parties with respect to the subject matter of this Agreement.

10.2      No director, officer, employee or agent of any party has any authority
to make any  representation  or commitment  not contained in this  Agreement and
each  party  has  executed  this  Agreement   without  reliance  upon  any  such
representation or commitment.

Force Majeure

10.3      No party  will be  liable  for its  failure  to  perform  any of its '
obligations  under  this  Agreement  as a result of Acts of God  (including  all
natural disasters),  strikes, lockouts, civil disturbances,  government or court
ordered interruptions or delays, acts of war and riots, but that either party to
this Agreement may elect to terminate it upon three months written notice to the
other if force majeure  cannot or is not remedied  within three months after its
occurrence.

Severability

10.4      If any  provision of this  Agreement is at any time  unenforceable  or
invalid for any reason it will be severable from the remainder of this Agreement
and this  Agreement will be construed as though such provision was not contained
herein and the remainder will continue in full force and effect and be construed
as if this  Agreement  had been  executed  without the invalid or  unenforceable
provision.

Amendments

10.5      This  Agreement  may not be amended  except in writing  signed by both
parties.

Assignment

10.6      Neither  party will be entitled to assign this  Agreement  without the
written consent of the other party, which consent may be unreasonably  withheld.
Notwithstanding  the  foregoing,  TPh / Toray may assign  this  Agreement  to an
Affiliate.

Governing Law

10.7      This  Agreement is and will be deemed to have been made in Province of
British Columbia, for all purposes will be governed exclusively by and construed
and enforced in accordance with the laws prevailing in the British Columbia, and
the rights and remedies of the parties will be  determined  in  accordance  with
those laws.

                                       10


Attornment

10.8      Each of the parties  irrevocably  attorns to the  jurisdiction  of the
courts of the British  Columbia  and all courts  having  appellate  jurisdiction
thereover.

Notice

10.9      To be effective, a notice,  request, demand or direction (each for the
purposes of this  provision a.  "notice") to be given pursuant to this Agreement
by one party to another party must be in writing and must be

          (a)  delivered by hand or by mail, or

          (b)  received by  telecopier  transmission  or other  similar  from of
          written communication by electronic means.

in each case addressed as applicable as follows;

          If to TPh / Toray at:

                    Rua Americo Durao 12, 6.DR. 1900 Lisbon, Portugal

                    Telecopier:  +35121 847 1346

                    Attention:  Dr. J. Transmontano.

                    with a copy to such  other  offices of TPh / Toray as may be
         specified by TPh / Toray to Dragon:

         If to Dragon at:

                    1200, 543 Granville Street

                    Vancouver. BC, Canada V6C 1X8

                    Attention: Dr. Longbin Liu

                    Fax:  ++1-604-669 4243

or to such other  address  or fax number as is  specified  by the  addressee  by
notice to the other party.

10.10     A notice  delivered or sent in accordance  with ss.10.9 will be deemed
to be given and received

         (a)   at 8.00 a.m.  on the day of  delivery  or receipt at the place of
          delivery  or receipt  if that day is a Business  Day at that place and
          the delivery or receipt is before that time on that day.

         (b)   at the time of  delivery  or receipt if received on or after 8.00
          a.m. and before 4.00 p.m. at the place of delivery or receipt on a day
          that is a Business Day at that place, and

         (c)   at 8.00 a.m.  at the place of  deliver or receipt on the next day
          that is a Business  Day at that place,  if  delivered or received on a
          day that is not a Business  Day at that place or at or after 4.00 p.m.
          at that place.

                                       11


No Partnership

10.11     Nothing in this Agreement will constitute, by any means, a partnership
between the parties.

Binding Effect

10.12     This  Agreement  will enure to the benefit of and be binding  upon the
respective successors and permitted assigns of the parties.

Further Assurances

10.13     Each party will,  at such  party's own expense and without  expense to
the other party, execute and deliver such further agreements and other documents
and do such  further acts and things as the other party  reasonably  requests to
evidence,  carry  out or give  full  force  and  effect  to the  intent  of this
Agreement.

Counterparts

10.14     This Agreement may be executed in any number of counterparts  with the
same effect as if all parties to this  Agreement  had signed the same  document,
and all counterparts will be construed  together and constitute one and the same
instrument.

IN WITNESS  WHEREOF this Agreement was executed by the parties as of the day and
year first above written.

TPh / Toray Inc.

Per:     /s/ Dr. Joao Transmontano
         ----------------------------------------
         Dr. Joao Transmontano


Per:     /s/ Dr. Bo G. Danielson
         ------------------------------------------
         Dr. Bo G. Danielson



Dragon Pharmaceuticals, Inc.


Per:     /s/ Dr. Longbin Liu
         ---------------------------------------------
         Dr. Longbin Liu


                                       12



Witnessed for Dragon Pharmaceuticals Inc. by:

Per:     /s/ Robert K. Walsh
         ---------------------------------------------
         Robert K. Walsh



Witnessed for TPh/Toray by:

Per:     /s/ Dr. Jabour de Alvarenga
         ------------------------------------------
         Dr. Jabour de Alvarenga


                                       13




                                   SCHEDULE A





                                                          
Products, Indications and Pricing

- --------------------------------------------------------------------------------------------------------------------
Slow Release Formulation Net Sales                   Royalty percentage - In effect until December 31, 2002
- --------------------------------------------------------------------------------------------------------------------
  -All  indications for product as approved by me    5% of net sales for Chinese Domestic Sales
  State  Drug   Administration  of  the  People's
  Republic of China.                                 7% of net sales for remainder of market area
- --------------------------------------------------------------------------------------------------------------------


Slow release formulation price to TPh / Toray

- --------------------------------------------------------------------------------------------------------------------
  Per pre-filled injector/syringe                    Dragon's reasonable manufacturing cost* + US $ * * *
- --------------------------------------------------------------------------------------------------------------------



*Manufacturing cost comprises  materials,  depreciation on equipment,  labour as
mutually  agreed prior to the launch of the product in the People's  Republic of
China; Dragon's reference price per 1000IU of purified bulk EPO is understood to
be USD $* * *.


Market Area

The People's  Republic of China,  the ASEAN member nations,  Taiwan,  Korea, and
Japan

Costs

- --------------------------------------------------------------------------------
  Purified bulk erythropoietin to Dr. Danielson                   Dragon
- --------------------------------------------------------------------------------
  Cost of technology (know-how) transfer to Dragon                TPh / Toray
- --------------------------------------------------------------------------------
  Cost of travel & lodging, TPh / Toray key personnel to          Dragon
  Nanjing, China. US DOS rates
- --------------------------------------------------------------------------------
  Cost of Travel & Lodging, Dragon personnel to Upsalla,          TPh / Toray
  Sweden. US DOS rates
- --------------------------------------------------------------------------------
  Cost of any & all materials used for formulation                Dragon
  during China-side development
- --------------------------------------------------------------------------------
  Cost of registration in China to include phase II-III           Dragon
  clinical studies
- --------------------------------------------------------------------------------




             * * * CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED
                              WITH THE COMMISSION

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