title: Proceedings: Association of secundum atrial septal defect with abnormalities of atrioventricular conduction or left axis deviation: a new syndrome.
mesh_terms: D005799:Genes, Dominant; D006327:Heart Block / Q000235:genetics*; D006344:Heart Septal Defects, Atrial / Q000235:genetics*; D006801:Humans; D013577:Syndrome