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Submitted on: 17 April 1998.
Revised on: 05 July 1998.
Accepted on: 21 July 1998.
___________________International Journal of Polymeric Materials and Polymeric Biomaterials
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Submitted on: 16 January 2017.
Revised on: 04 May 2017.
Accepted on: 24 May 2017.
___________________International Journal of Polymeric Materials and Polymeric Biomaterials
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Submitted on: 02 July 2009.
Revised on: 11 September 2009.
Accepted on: 20 October 2009.
___________________International Journal of Polymeric Materials and Polymeric Biomaterials
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