Office electrocardiography in general pediatrics. II. Evolution of the ECG from birth to one year old.
D000367:Age Factors; D004562:Electrocardiography; D006321:Heart / Q000502:physiology; D006331:Heart Diseases / Q000175:diagnosis*; D006339:Heart Rate; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature