WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 39,2005, Pages 6219-6220,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 39,2005, Pages 6165-6169,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 39,2005, Pages 6125-6129,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 39,2005, Pages 6208-6211,