title: Low-dose heparin in the prevention of venous thromboembolism-rationale and results.
mesh_terms: D001777:Blood Coagulation; D005340:Fibrinogen / Q000032:analysis; D006493:Heparin / Q000008:administration & dosage / Q000627:therapeutic use*; D006615:Hip / Q000601:surgery; D006801:Humans; D011183:Postoperative Complications; D011300:Preoperative Care; D013514:Surgical Procedures, Operative; D013923:Thromboembolism / Q000517:prevention & control*; D014680:Veins
chemical_list: D005340:Fibrinogen; D006493:Heparin