RT Journal Article SR Electronic T1 Reply JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 342 OP 342 DO 10.1136/gut.39.2.342-a VO 39 IS 2 A1 Fernȧndez-Baǹares, Fernando A1 Cabre, Eduard A1 Gassull, Miquel A YR 1996 UL http://gut.bmj.com/content/39/2/342.2.abstract AB