title: Standing Valsalva maneuver in idiopathic hypertrophic subaortic stenosis.
mesh_terms: D000328:Adult; D001020:Aortic Stenosis, Subvalvular / Q000175:diagnosis*; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis*; D006801:Humans; D008297:Male; D011187:Posture; D014636:Valsalva Maneuver