The electrocardiogram on the first day of life.
D004562:Electrocardiography; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D019369:Life
ELECTROCARDIOGRAPHY; INFANT, NEWBORN
Am Heart J. 1951 May;41(5):687-99
14829400
J Pediatr. 1951 Sep;39(3):307-19
14881022
Am Heart J. 1950 Apr;39(4):588-91
15410662