Valsalva and the murmur of hypertrophic obstructive cardiomyopathy.
D000368:Aged; D002312:Cardiomyopathy, Hypertrophic / Q000503:physiopathology*; D005260:Female; D006326:Heart Auscultation; D006337:Heart Murmurs; D006801:Humans; D014636:Valsalva Maneuver