WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 22,2010, Pages 2707-2709, doi:10.3748/wjg.v16.i22.2707
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 22,2010, Pages 2726-2734, doi:10.3748/wjg.v16.i22.2726
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 22,2010, Pages 2720-2725, doi:10.3748/wjg.v16.i22.2720
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 22,2010, Pages 2735-3742, doi:10.3748/wjg.v16.i22.2735
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 22,2010, Pages 2780-2787, doi:10.3748/wjg.v16.i22.2780