http://reply.papertrans.cn/2/132/13172/13172-21.png
http://reply.papertrans.cn/2/132/13172/13172-22.png
http://reply.papertrans.cn/2/132/13172/13172-23.png
Submitted on: 19 July 2000.
Revised on: 10 August 2000.
Accepted on: 22 September 2000.
___________________INTERNATIONAL JOURNAL OF COLORECTAL DISEASE
http://reply.papertrans.cn/2/132/13172/13172-25.png
http://reply.papertrans.cn/2/132/13172/13172-26.png
Submitted on: 08 August 2010.
Revised on: 07 November 2010.
Accepted on: 30 December 2010.
___________________INTERNATIONAL JOURNAL OF COLORECTAL DISEASE
http://reply.papertrans.cn/2/132/13172/13172-28.png
Submitted on: 24 October 2008.
Revised on: 31 January 2009.
Accepted on: 15 March 2009.
___________________INTERNATIONAL JOURNAL OF COLORECTAL DISEASE
Submitted on: 01 October 2007.
Revised on: 31 December 2007.
Accepted on: 06 February 2008.
___________________INTERNATIONAL JOURNAL OF COLORECTAL DISEASE