title: Thromboprophylaxis.
authors: Daniel C
authors: DC
authors: Walsh
authors: Ajay K
authors: AK
authors: Kakkar
mesh_terms: D000328:Adult; D000368:Aged; D000925:Anticoagulants / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use*; D001932:Brain Neoplasms / Q000601:surgery*; D004311:Double-Blind Method; D006493:Heparin / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use*; D006801:Humans; D008875:Middle Aged; D019635:Neurosurgical Procedures / Q000009:adverse effects*; D019990:Perioperative Care; D011446:Prospective Studies; D016032:Randomized Controlled Trials as Topic; D013927:Thrombosis / Q000209:etiology* / Q000517:prevention & control*
chemical_list: D000925:Anticoagulants; D006493:Heparin