Anticoagulant treatment of thromboembolism with intravenous heparin therapy in the early postoperative period following total joint arthroplasty - Della Valle, CJ; Jazrawi, LM; Idjadi, J; Hiebert, RN; Stuchin, SA; Steiger, DJ; DiCesare, PE (J, Bone and Joint Surg-American, 2000)