WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 14,2010, Pages 1804-1807, doi:10.3748/wjg.v16.i14.1804
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 14,2010, Pages 1772-1775, doi:10.3748/wjg.v16.i14.1772
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 14,2010, Pages 1707-1712, doi:10.3748/wjg.v16.i14.1707
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 14,2010, Pages 1782-1787, doi:10.3748/wjg.v16.i14.1782
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 14,2010, Pages 1747-1752, doi:10.3748/wjg.v16.i14.1747