http://reply.papertrans.cn/3/216/21583/21583-11.png
http://reply.papertrans.cn/3/216/21583/21583-12.png
http://reply.papertrans.cn/3/216/21583/21583-13.png
http://reply.papertrans.cn/3/216/21583/21583-14.png
http://reply.papertrans.cn/3/216/21583/21583-15.png
http://reply.papertrans.cn/3/216/21583/21583-16.png
http://reply.papertrans.cn/3/216/21583/21583-17.png
Submitted on: 21 July 2002.
Revised on: 16 August 2002.
Accepted on: 05 September 2002.
MedComm
http://reply.papertrans.cn/3/216/21583/21583-19.png
Submitted on: 14 July 2004.
Revised on: 26 July 2004.
Accepted on: 02 August 2004.
MedComm