[Studies on the physiologic time relation between the first cardiac sound and the first phase of the ventricular systole.  I].
D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006337:Heart Murmurs; D006347:Heart Sounds; D006801:Humans; D013016:Sound; D013599:Systole
CARDIAC MURMURS AND SOUNDS; ELECTROCARDIOGRAPHY; HEART/physiology
Untersuchungen über die physiologischen Zeitbeziehungen des I. Herztones und der Anspannungszeit.  I.