RT Journal Article SR Electronic T1 The presentation of symptomatic heart disease in infancy based on 10 years' experience (1973–82) JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 472 OP 472 DO 10.1136/hrt.53.4.472-b VO 53 IS 4 A1 Michael Joseph YR 1985 UL http://heart.bmj.com/content/53/4/472.2.abstract AB