WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 29,2005, Pages 4511-4518,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 29,2005, Pages 4484-4489,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 29,2005, Pages 4583-4586,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 29,2005, Pages 4465-4471,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 29,2005, Pages 4552-4559,