PT - JOURNAL ARTICLE AU - A E Read TI - Clinical gastroenterology AID - 10.1136/gut.25.11.1306 DP - 1984 Nov 01 TA - Gut PG - 1306--1306 VI - 25 IP - 11 4099 - http://gut.bmj.com/content/25/11/1306.short 4100 - http://gut.bmj.com/content/25/11/1306.full SO - Gut1984 Nov 01; 25