http://reply.papertrans.cn/1/3/278/278-31.png
http://reply.papertrans.cn/1/3/278/278-32.png
Submitted on: 18 January 2008.
Revised on: 12 April 2008.
Accepted on: 26 April 2008.
___________________Acta Biomaterialia---ELSEVIER SCI LTD
http://reply.papertrans.cn/1/3/278/278-34.png
http://reply.papertrans.cn/1/3/278/278-35.png
Submitted on: 21 October 2000.
Revised on: 07 January 2001.
Accepted on: 14 February 2001.
___________________Acta Biomaterialia---ELSEVIER SCI LTD