WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 7,2005, Pages 960-963,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 7,2005, Pages 1083-1086,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 7,2005, Pages 948-953,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 7,2005, Pages 1073-1076,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 7,2005, Pages 982-985,