Pulmonary arteriography vs. ventilation-perfusion lung scanning.
D005268:Femoral Vein / Q000601:surgery; D006801:Humans; D008026:Ligation; D008168:Lung / Q000000981:diagnostic imaging*; D011651:Pulmonary Artery / Q000000981:diagnostic imaging*; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging* / Q000517:prevention & control; D011859:Radiography; D011877:Radionuclide Imaging; D012306:Risk; D013924:Thrombophlebitis / Q000150:complications / Q000601:surgery; D014682:Vena Cava, Inferior / Q000601:surgery