TY - RPRT TI - Prognosis in chronic ulcerative colitis. AU - C A FLOOD AU - R B HIATT AU - A KARUSH AU - M J LEPORE PY - 1956 DO - 10.1016/0021-9681(56)90029-7 UR - https://pubmed.ncbi.nlm.nih.gov/13357612/ ID - 13357612 ER -