TEXTER, E C The natural history of ulcerative colitis. [electronic resource] - Journal of chronic diseases Mar 1957 - 347-69 p. digital Publication Type: Journal Article ISSN: 0021-9681 Standard No.: 10.1016/0021-9681(57)90093-0 doi Subjects--Topical Terms: ColitisColitis, UlcerativeHumans