RT Journal Article SR Electronic T1 Iatrogenic atrioventricular bypass tract following a Fontan operation for tricuspid atresia JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 623 OP 623 DO 10.1136/hrt.78.6.623 VO 78 IS 6 A1 FELIPE MORENO GRANADO A1 LUIS GARCIA GUERETA YR 1997 UL http://heart.bmj.com/content/78/6/623.1.abstract AB