[Contribution to the study of disturbances of cardiac conduction in some congenital heart diseases. II. Interventricular communications].
D004562:Electrocardiography; D006330:Heart Defects, Congenital; D006339:Heart Rate; D006343:Heart Septal Defects; D006346:Heart Septum / Q000002:abnormalities*
ELECTROCARDIOGRAPHY; HEART SEPTUM/abnormalities