WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 35,2006, Pages 5748-5751,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 35,2006, Pages 5721-5725,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 35,2006, Pages 5651-5657,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 35,2006, Pages 5739-5742,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 35,2006, Pages 5593-5598,