title: [Studies of the venous reflux from the lower limb using a direct ultrasonic detector].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001783:Blood Flow Velocity; D002648:Child; D002675:Child, Preschool; D005268:Femoral Vein / Q000502:physiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007866:Leg / Q000098:blood supply*; D008875:Middle Aged; D011152:Popliteal Vein / Q000502:physiology; D012119:Respiration; D012501:Saphenous Vein / Q000502:physiology; D013927:Thrombosis / Q000209:etiology; D014465:Ultrasonics; D014636:Valsalva Maneuver; D014648:Varicose Veins / Q000209:etiology
vernacular_title: Untersuchungen des venösen Rückstroms aus der unteren Extremität mit einem direktionalen Ultraschalldetektor.