WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 39,2008, Pages 6036-6043, doi:10.3748/wjg.14.6036
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 39,2008, Pages 6024-6029, doi:10.3748/wjg.14.6024
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 39,2008, Pages 5945-5961, doi:10.3748/wjg.14.5945
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 39,2008, Pages 6004-6011, doi:10.3748/wjg.14.6004
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 39,2008, Pages 6104,