title: [Echocardiographic study of Valsalva's maneuver in the normal subject].
mesh_terms: D000328:Adult; D002320:Cardiovascular Physiological Phenomena; D004452:Echocardiography; D005260:Female; D006321:Heart / Q000502:physiology; D006439:Hemodynamics; D006801:Humans; D008297:Male; D014636:Valsalva Maneuver / Q000009:adverse effects*
vernacular_title: Studio ecocardiografico della manovra di Valsalva nel normale.