Akl, Elie A Low-molecular-weight heparin vs unfractionated heparin for perioperative thromboprophylaxis in patients with cancer: a systematic review and meta-analysis. [electronic resource] - Archives of internal medicine Jun 2008 - 1261-9 p. digital Publication Type: Comparative Study; Journal Article; Meta-Analysis; Research Support, Non-U.S. Gov't; Review; Systematic Review ISSN: 1538-3679 Standard No.: 10.1001/archinte.168.12.1261 doi Subjects--Topical Terms: Anticoagulants--therapeutic useHeparinHeparin, Low-Molecular-WeightHumansNeoplasms--complicationsPerioperative CareThrombosis--etiology