title: Perinatal diagnosis of complete congenital heart block: four cases.
mesh_terms: D002657:Child Development; D005260:Female; D005500:Follow-Up Studies; D006327:Heart Block / Q000151:congenital* / Q000175:diagnosis / Q000628:therapy; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010138:Pacemaker, Artificial