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Submitted on: 11 November 1998.
Revised on: 13 February 1999.
Accepted on: 21 March 1999.
___________________JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY
Submitted on: 02 August 2003.
Revised on: 12 October 2003.
Accepted on: 27 October 2003.
___________________JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY
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Submitted on: 04 September 2014.
Revised on: 03 December 2014.
Accepted on: 26 December 2014.
___________________JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY
Submitted on: 04 August 2002.
Revised on: 05 October 2002.
Accepted on: 02 November 2002.
___________________JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY
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http://reply.papertrans.cn/2/170/16960/16960-29.png
Submitted on: 12 September 2002.
Revised on: 08 November 2002.
Accepted on: 24 December 2002.
___________________JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY