PT - JOURNAL ARTICLE AU - P Rutgeerts TI - Reply to both letters AID - 10.1136/gut.34.8.1150-c DP - 1993 Aug 01 TA - Gut PG - 1150--1150 VI - 34 IP - 8 4099 - http://gut.bmj.com/content/34/8/1150.4.short 4100 - http://gut.bmj.com/content/34/8/1150.4.full SO - Gut1993 Aug 01; 34