WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 19,2010, Pages 2348-2354, doi:10.3748/wjg.v16.i19.2348
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 19,2010, Pages 2417-2420, doi:10.3748/wjg.v16.i19.2417
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 19,2010, Pages 2448-2450, doi:10.3748/wjg.v16.i19.2448
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 19,2010, Pages 2396-2400, doi:10.3748/wjg.v16.i19.2396
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 19,2010, Pages 2323-2330, doi:10.3748/wjg.v16.i19.2323