WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 2,2010, Pages 217-224, doi:10.3748/wjg.v16.i2.217
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 2,2010, Pages 167-175, doi:10.3748/wjg.v16.i2.167
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 2,2010, Pages 279-280, doi:10.3748/wjg.v16.i2.279
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 2,2010, Pages 232-236, doi:10.3748/wjg.v16.i2.232
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 2,2010, Pages 264-269, doi:10.3748/wjg.v16.i2.264