WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 15,2010, Pages 1832-1836, doi:10.3748/wjg.v16.i15.1832
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 15,2010, Pages 1924-1927, doi:10.3748/wjg.v16.i15.1924
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 15,2010, Pages 1937-1938, doi:10.3748/wjg.v16.i15.1937
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 15,2010, Pages 1867-1870, doi:10.3748/wjg.v16.i15.1867
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 15,2010, Pages 1901-1907, doi:10.3748/wjg.v16.i15.1901