WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 14,2004, Pages 2136-2139,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 14,2004, Pages 2082-2086,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 14,2004, Pages 封二,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 14,2004, Pages 2029-2033,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 14,2004, Pages 2087-2090,