WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 8,2005, Pages 1179-1181,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 8,2005, Pages 1193-1195,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 8,2005, Pages 1149-1154,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 8,2005, Pages 1196-1199,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 8,2005, Pages 1105-1108,