RT Journal Article SR Electronic T1 Outcome of isolated congenital heart block diagnosed in utero. JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 95 OP 96 DO 10.1136/hrt.78.1.95-a VO 78 IS 1 A1 L. G. Guereta A1 M. Burgueros A1 F. Moreno YR 1997 UL http://heart.bmj.com/content/78/1/95.2.abstract AB