RT Journal Article SR Electronic T1 Reply JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1110 OP 1110 DO 10.1136/gut.27.9.1110-a VO 27 IS 9 A1 J M Rhodes YR 1986 UL http://gut.bmj.com/content/27/9/1110.2.abstract AB