RT Journal Article SR Electronic T1 Peptic ulcer (Clinical surgery international, vol 7) JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1017 OP 1017 DO 10.1136/gut.25.9.1017-a VO 25 IS 9 A1 Baron, J H YR 1984 UL http://gut.bmj.com/content/25/9/1017.2.abstract AB