WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 32,2005, Pages 4947-4952,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 32,2005, Pages 4986-4991,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 32,2005, Pages 5079-5081,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 32,2005, Pages 5010-5014,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 32,2005, Pages 4974-4978,