RT Journal Article SR Electronic T1 THE ELECTROCARDIOGRAM IN THE NORMAL INFANT JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 441 OP 450 DO 10.1136/hrt.25.4.441 VO 25 IS 4 A1 Scott, Olive A1 Franklin, Doris YR 1963 UL http://heart.bmj.com/content/25/4/441.abstract AB