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Submitted on: 25 October 2002.
Revised on: 21 February 2003.
Accepted on: 12 March 2003.
___________________Biomedical Materials---IOP PUBLISHING LTD
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Submitted on: 08 March 2013.
Revised on: 26 May 2013.
Accepted on: 13 July 2013.
___________________Biomedical Materials---IOP PUBLISHING LTD
Submitted on: 16 January 2010.
Revised on: 06 April 2010.
Accepted on: 18 April 2010.
___________________Biomedical Materials---IOP PUBLISHING LTD
Submitted on: 29 November 2003.
Revised on: 10 February 2004.
Accepted on: 18 March 2004.
___________________Biomedical Materials---IOP PUBLISHING LTD