TY - RPRT TI - Prothrombin time during the postoperative period. AU - M W BAY AU - A D KATZ AU - L STRAUSS PY - 1957 DO - 10.1016/0002-9610(57)90746-8 UR - https://pubmed.ncbi.nlm.nih.gov/13372927/ ID - 13372927 ER -