PT - JOURNAL ARTICLE AU - Cooke, W T TI - Collagenous colitis. AID - 10.1136/gut.27.9.1109 DP - 1986 Sep 01 TA - Gut PG - 1109--1110 VI - 27 IP - 9 4099 - http://gut.bmj.com/content/27/9/1109.short 4100 - http://gut.bmj.com/content/27/9/1109.full SO - Gut1986 Sep 01; 27