BASSLER, A Fibrosarcoma, an unusual complication of ulcerative colitis; report of a case. [electronic resource] - Archives of surgery (Chicago, Ill. : 1920) Aug 1949 - 227-31 p. digital Publication Type: Journal Article ISSN: 0272-5533 Standard No.: 10.1001/archsurg.1949.01240040232005 doi Subjects--Topical Terms: Colitis, UlcerativeFibrosarcomaHumansNeoplasmsSarcoma