WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 1,2010, Pages 136-137, doi:10.3748/wjg.v16.i1.136
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 1,2010, Pages 83-88, doi:10.3748/wjg.v16.i1.83
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 1,2010, Pages 104-111, doi:10.3748/wjg.v16.i1.104
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 1,2010, Pages 119-122, doi:10.3748/wjg.v16.i1.119
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 1,2010, Pages 30-41, doi:10.3748/wjg.v16.i1.30