[Recording of cardiac sounds by means of differentiated filters; a study on standardization of phonocardiography].
D002454:Cell Differentiation; D005374:Filtration; D006337:Heart Murmurs; D006347:Heart Sounds; D006801:Humans; D010701:Phonocardiography; D013016:Sound
CARDIAC MURMURS AND SOUNDS
Herzschall-registrierung mittels differenzierender Filter; eine Studie zur Herzschallnormung.