title: [Valsalva's maneuver and venous reflux. Doppler study].
mesh_terms: D006801:Humans; D014463:Ultrasonography; D014636:Valsalva Maneuver; D014689:Venous Insufficiency / Q000175:diagnosis*
vernacular_title: Manoeuvre de Valsalva et reflux veineux. Etude par Doppler.