RT Journal Article SR Electronic T1 Carcinoma of the Colon in Chronic Ulcerative Colitis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 166 OP 170 VO 19 IS 4 A1 Turnbull, Rupert B. A1 Brown, Charles H. YR 1952 UL http://www.ccjm.org/content/19/4/166.abstract AB