title: The electrocardiogram in the newborn period. I. The normal infant.
mesh_terms: D000328:Adult; D001775:Blood Circulation; D036861:Delivery, Obstetric; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006439:Hemodynamics; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D011247:Pregnancy; D014470:Umbilical Cord; D014672:Vectorcardiography