WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 45,2007, Pages 6027-6030, doi:10.3748/wjg.13.6027
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 45,2007, Pages 6098-6100, doi:10.3748/wjg.13.6098
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 45,2007, Pages 6119, doi:10.3748/wjg.13.6119
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 45,2007, Pages 6112-6114, doi:10.3748/wjg.13.6112
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 45,2007, Pages 6009-6015, doi:10.3748/wjg.13.6009