PT - JOURNAL ARTICLE AU - Grant M Fullarton AU - Kenneth E L McColl TI - Reply AID - 10.1136/gut.30.9.1301 DP - 1989 Sep 01 TA - Gut PG - 1301--1302 VI - 30 IP - 9 4099 - http://gut.bmj.com/content/30/9/1301.short 4100 - http://gut.bmj.com/content/30/9/1301.full SO - Gut1989 Sep 01; 30