web | Garg SK, Ahuja V | Cochrane | 2012-10-17 | |
web | Hanai H, Iida T | Clin Gastroenterol Hepatol | 2006-11-13 | |
web | Mitsuro Chiba, Kunio Nakane | Perm J | 2018-01-01 | |
web | Mitsuro Chiba, Kunio Nakane | Perm J | 2018-01-01 | |
web | Richard N. Fedorak, MD, FRCPC | Gastroenterol Hepatol | 2010-11-01 | |
web | Stephanie Pappas | LiveScience | 2010-12-01 | |
web | Ben-Arye E, Goldin E | Scand J Gastroenterol | 2002-04-01 |