WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 24,2005, Pages 3724-3728,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 24,2005, Pages 3686-3690,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 24,2005, Pages 3767-3771,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 24,2005, Pages 3803-3805,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 24,2005, Pages 3797-3799,