PT - JOURNAL ARTICLE ED - , TI - IBD/clinical I AID - 10.1136/gut.35.4_Suppl.A22 DP - 1994 Jan 01 TA - Gut PG - A22--A23 VI - 35 IP - 4 Suppl 4099 - http://gut.bmj.com/content/35/4_Suppl/A22.short 4100 - http://gut.bmj.com/content/35/4_Suppl/A22.full SO - Gut1994 Jan 01; 35