title: Is the preoperative administration of enoxaparin 40 mg necessary to optimally prevent the occurrence of venous thromboembolism after hip surgery? A subanalysis of two pooled randomized trials.
authors.forename: M R
authors.initials: MR
authors.lastname: Lassen
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000925:Anticoagulants / Q000008:administration & dosage / Q000627:therapeutic use*; D004311:Double-Blind Method; D017984:Enoxaparin / Q000008:administration & dosage / Q000627:therapeutic use*; D005260:Female; D006615:Hip / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D019637:Orthopedic Procedures / Q000009:adverse effects*; D011300:Preoperative Care; D016032:Randomized Controlled Trials as Topic; D054556:Venous Thromboembolism / Q000517:prevention & control*
chemical_list: D000925:Anticoagulants; D017984:Enoxaparin