[Low frequency phonocardiography and mechanical cardiac activity.  I].
D006321:Heart / Q000502:physiology*; D006337:Heart Murmurs; D006347:Heart Sounds; D006354:Heart, Artificial; D006801:Humans; D010701:Phonocardiography; D013016:Sound
CARDIAC MURMURS AND SOUNDS; HEART/physiology
Tieffrequentes Herzschallbild und mechanische Herzarbeit.  I.