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Submitted on: 14 December 2006.
Revised on: 03 April 2007.
Accepted on: 18 May 2007.
___________________JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION
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Submitted on: 29 March 2011.
Revised on: 05 July 2011.
Accepted on: 06 August 2011.
___________________JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION
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Submitted on: 27 September 2011.
Revised on: 16 January 2012.
Accepted on: 02 February 2012.
___________________JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION