Submitted on: 27 August 2000.
Revised on: 26 September 2000.
Accepted on: 01 November 2000.
___________________JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION
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Submitted on: 30 April 2000.
Revised on: 31 May 2000.
Accepted on: 01 July 2000.
___________________JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION
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