RT Journal Article SR Electronic T1 Heart Block Associated with Congenital Heart Disease JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 212 OP 220 DO 10.1136/adc.3.16.212 VO 3 IS 16 A1 M. E. Lampard YR 1928 UL http://adc.bmj.com/content/3/16/212.abstract AB