title: Study of specialized conducting tissue in cases of single ventricle.
mesh_terms: D006329:Heart Conduction System / Q000473:pathology*; D006330:Heart Defects, Congenital / Q000473:pathology*; D006346:Heart Septum / Q000473:pathology; D006352:Heart Ventricles / Q000002:abnormalities*; D006801:Humans