Congenital absence of valves in the deep veins of the leg: a factor in venous insufficiency. I. Clinical observations. II. Roentgenologic investigations.
D006801:Humans; D007866:Leg / Q000098:blood supply*; D016491:Peripheral Vascular Diseases / Q000209:etiology*; D014652:Vascular Diseases; D014680:Veins / Q000002:abnormalities*; D014689:Venous Insufficiency
LEG/blood supply; VASCULAR DISEASES, PERIPHERAL/etiology; VEINS/abnormalities