WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 19,2008, Pages 3069-3073, doi:10.3748/wjg.14.3069
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 19,2008, Pages 2962-2967, doi:10.3748/wjg.14.2962
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 19,2008, Pages 3098-3100, doi:10.3748/wjg.14.3098
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 19,2008, Pages 2968-2976, doi:10.3748/wjg.14.2968
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 19,2008, Pages 3112,