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Submitted on: 17 June 2021.
Revised on: 03 October 2021.
Accepted on: 18 October 2021.
___________________BIOMATERIALS---ELSEVIER SCI LTD
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Submitted on: 29 March 2002.
Revised on: 30 April 2002.
Accepted on: 23 May 2002.
___________________BIOMATERIALS---ELSEVIER SCI LTD
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Submitted on: 14 April 1999.
Revised on: 26 July 1999.
Accepted on: 23 August 1999.
___________________BIOMATERIALS---ELSEVIER SCI LTD
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