title: Small doses of subcutaneous heparin in preventing postoperative deep venous thrombosis.
mesh_terms: D001780:Blood Coagulation Tests; D005340:Fibrinogen / Q000032:analysis; D006493:Heparin / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D007457:Iodine Radioisotopes; D007866:Leg / Q000098:blood supply; D011183:Postoperative Complications / Q000517:prevention & control*; D011655:Pulmonary Embolism / Q000517:prevention & control; D013923:Thromboembolism / Q000517:prevention & control*
chemical_list: D007457:Iodine Radioisotopes; D005340:Fibrinogen; D006493:Heparin