title: Peroperative venography to ensure accurate sapheno-popliteal vein ligation.
mesh_terms: D006801:Humans; D007430:Intraoperative Care / Q000379:methods*; D008026:Ligation; D011152:Popliteal Vein / Q000000981:diagnostic imaging*; D011859:Radiography; D012501:Saphenous Vein / Q000000981:diagnostic imaging* / Q000601:surgery