PT - JOURNAL ARTICLE AU - W H Kim AU - P M Choi TI - Utility of surveillance colonoscopy in ulcerative colitis. AID - 10.1136/gut.35.6.863 DP - 1994 Jun 01 TA - Gut PG - 863--863 VI - 35 IP - 6 4099 - http://gut.bmj.com/content/35/6/863.1.short 4100 - http://gut.bmj.com/content/35/6/863.1.full SO - Gut1994 Jun 01; 35