KASICH, A M Malignant degeneration in ulcerative colitis; report of seven cases. [electronic resource] - The Medical clinics of North America Sep 1949 - 1421-37 p. digital Publication Type: Journal Article ISSN: 0025-7125 Standard No.: 10.1016/s0025-7125(16)35522-5 doi Subjects--Topical Terms: Colitis, UlcerativeHumans