http://reply.papertrans.cn/2/142/14180/14180-21.png
Submitted on: 13 February 2001.
Revised on: 16 April 2001.
Accepted on: 27 April 2001.
___________________International Journal of Surgery-Oncology
Submitted on: 15 June 1999.
Revised on: 01 August 1999.
Accepted on: 30 August 1999.
___________________International Journal of Surgery-Oncology
http://reply.papertrans.cn/2/142/14180/14180-24.png
http://reply.papertrans.cn/2/142/14180/14180-25.png
Submitted on: 06 March 2011.
Revised on: 01 May 2011.
Accepted on: 12 June 2011.
___________________International Journal of Surgery-Oncology
Submitted on: 12 February 2001.
Revised on: 14 April 2001.
Accepted on: 16 May 2001.
___________________International Journal of Surgery-Oncology
http://reply.papertrans.cn/2/142/14180/14180-28.png
http://reply.papertrans.cn/2/142/14180/14180-29.png
Submitted on: 29 March 2009.
Revised on: 13 July 2009.
Accepted on: 30 August 2009.
___________________International Journal of Surgery-Oncology