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Submitted on: 30 September 2004.
Revised on: 10 November 2004.
Accepted on: 19 November 2004.
Materials Today Bio
Submitted on: 30 March 1999.
Revised on: 24 April 1999.
Accepted on: 02 May 1999.
Materials Today Bio---ELSEVIER
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http://reply.papertrans.cn/3/214/21396/21396-15.png
Submitted on: 17 October 1999.
Revised on: 15 November 1999.
Accepted on: 20 November 1999.
Materials Today Bio---ELSEVIER
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http://reply.papertrans.cn/3/214/21396/21396-18.png
Submitted on: 13 January 2000.
Revised on: 02 February 2000.
Accepted on: 27 February 2000.
Materials Today Bio---ELSEVIER
Submitted on: 01 April 2002.
Revised on: 06 May 2002.
Accepted on: 01 June 2002.
Materials Today Bio