PT - JOURNAL ARTICLE ED - , TI - The British Society of Gastroenterology. 25-27 April 1984, Salford. Abstracts. AID - 10.1136/gut.25.5.A541 DP - 1984 May 01 TA - Gut PG - A541--A585 VI - 25 IP - 5 4099 - http://gut.bmj.com/content/25/5/A541.short 4100 - http://gut.bmj.com/content/25/5/A541.full SO - Gut1984 May 01; 25