Frequency spectrum changes of Korotkoff sounds with muffling.
D001314:Auscultation; D001794:Blood Pressure; D001916:Brachial Artery / Q000502:physiology; D006801:Humans; D008297:Male; D008433:Mathematics; D008722:Methods; D010781:Photography; D011674:Pulse; D013016:Sound; D014159:Transducers