PT - JOURNAL ARTICLE AU - D R Triger TI - Reply AID - 10.1136/gut.34.4.576-b DP - 1993 Apr 01 TA - Gut PG - 576--576 VI - 34 IP - 4 4099 - http://gut.bmj.com/content/34/4/576.3.short 4100 - http://gut.bmj.com/content/34/4/576.3.full SO - Gut1993 Apr 01; 34