title: [Atrial septotomy with balloon catheter by umbilical route. Preliminary report].
mesh_terms: D006328:Cardiac Catheterization / Q000295:instrumentation / Q000379:methods*; D006344:Heart Septal Defects, Atrial / Q000601:surgery*; D006346:Heart Septum / Q000601:surgery*; D006801:Humans; D007231:Infant, Newborn; D014188:Transposition of Great Vessels / Q000601:surgery; D014471:Umbilical Veins
vernacular_title: Atrioseptotomía con catéter-balón por vía umbilical. Communicación preliminar