TY - GEN AU - BASSLER,A AU - PETERS,A G TI - Fibrosarcoma, an unusual complication of ulcerative colitis; report of a case SN - 0272-5533 PY - 2007///1227 KW - Colitis, Ulcerative KW - Fibrosarcoma KW - Humans KW - Neoplasms KW - Sarcoma N1 - Publication Type: Journal Article UR - https://doi.org/10.1001/archsurg.1949.01240040232005 ER -