RT Journal Article SR Electronic T1 Complete Auriculo-Ventricular Heart Block in the Foetus and Newborn JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 309 OP 311 DO 10.1136/adc.24.120.309 VO 24 IS 120 A1 Riley, I. D. YR 1949 UL http://adc.bmj.com/content/24/120/309.abstract AB