Submitted on: 09 January 2002.
Revised on: 08 February 2002.
Accepted on: 27 February 2002.
Therapeutic Advances in Gastroenterology
http://reply.papertrans.cn/3/295/29439/29439-12.png
http://reply.papertrans.cn/3/295/29439/29439-13.png
http://reply.papertrans.cn/3/295/29439/29439-14.png
Submitted on: 20 February 2012.
Revised on: 04 March 2012.
Accepted on: 10 March 2012.
Therapeutic Advances in Gastroenterology
http://reply.papertrans.cn/3/295/29439/29439-16.png
http://reply.papertrans.cn/3/295/29439/29439-17.png
http://reply.papertrans.cn/3/295/29439/29439-18.png
Submitted on: 02 December 2001.
Revised on: 10 January 2002.
Accepted on: 19 January 2002.
Therapeutic Advances in Gastroenterology
Submitted on: 04 July 2000.
Revised on: 30 July 2000.
Accepted on: 04 August 2000.
Therapeutic Advances in Gastroenterology