WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 28,2005, Pages 4321-4325,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 28,2005, Pages 4435-4438,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 28,2005, Pages 4396-4399,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 28,2005, Pages 4443-4444,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 28,2005, Pages 4445-4446,