title: Low-doses of heparin in the prevention of deep vein thrombosis.
mesh_terms: D006493:Heparin / Q000008:administration & dosage*; D006801:Humans; D011182:Postoperative Care; D011655:Pulmonary Embolism / Q000517:prevention & control*; D013923:Thromboembolism / Q000517:prevention & control*; D013924:Thrombophlebitis / Q000517:prevention & control*; D013927:Thrombosis / Q000517:prevention & control*
chemical_list: D006493:Heparin