WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 32,2008, Pages 5032-5038, doi:10.3748/wjg.14.5032
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 32,2008, Pages 4995-4999, doi:10.3748/wjg.14.4995
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 32,2008, Pages 5073-5077, doi:10.3748/wjg.14.5073
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 32,2008, Pages 5025-5031, doi:10.3748/wjg.14.5025
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 32,2008, Pages 5000-5007, doi:10.3748/wjg.14.5000