WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 37,2008, Pages 5674-5682, doi:10.3748/wjg.14.5674
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 37,2008, Pages 5683-5688, doi:10.3748/wjg.14.5683
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 37,2008, Pages 5650-5656, doi:10.3748/wjg.14.5650
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 37,2008, Pages 5717-5722, doi:10.3748/wjg.14.5717
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 37,2008, Pages 5749-5754, doi:10.3748/wjg.14.5749