The early diagnosis of deep-vein thrombosis by ultrasound.
D005268:Femoral Vein; D006801:Humans; D010690:Phlebography; D011152:Popliteal Vein; D011868:Radioisotopes; D013924:Thrombophlebitis / Q000175:diagnosis*; D014463:Ultrasonography; D014682:Vena Cava, Inferior
D011868:Radioisotopes