title: Venous disease.
mesh_terms: D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D008026:Ligation; D011183:Postoperative Complications; D011655:Pulmonary Embolism / Q000601:surgery*; D013924:Thrombophlebitis / Q000150:complications / Q000175:diagnosis / Q000517:prevention & control / Q000601:surgery*; D014648:Varicose Veins / Q000601:surgery*; D014680:Veins / Q000293:injuries; D014684:Venae Cavae / Q000601:surgery
chemical_list: D006493:Heparin