PT - JOURNAL ARTICLE ED - , TI - Aspects of Clinical Gastroenterology: Baillière's Medical Transparencies AID - 10.1136/gut.17.8.660-d DP - 1976 Aug 01 TA - Gut PG - 660--660 VI - 17 IP - 8 4099 - http://gut.bmj.com/content/17/8/660.5.short 4100 - http://gut.bmj.com/content/17/8/660.5.full SO - Gut1976 Aug 01; 17