RT Journal Article SR Electronic T1 Handbook of Pediatric Cardiology JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 156 OP 156 DO 10.1136/adc.45.239.156 VO 45 IS 239 YR 1970 UL http://adc.bmj.com/content/45/239/156.abstract AB