WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 36,2005, Pages 5601-5606,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 36,2005, Pages 5644-5650,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 36,2005, Pages 5747-5750,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 36,2005, Pages 5735-5738,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 36,2005, Pages 5621-5626,