[Contribution to the study of the mechanism of the normal 2nd heart sound].
D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006326:Heart Auscultation; D006334:Heart Function Tests; D006350:Heart Valve Prosthesis; D006801:Humans
Contribution à l'étude du mécanisme du deuxieème bruit normal du coeur.