title: [Differential diagnosis of congenital heart defects by punched-card method].
mesh_terms: D003936:Diagnosis, Computer-Assisted; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006801:Humans; D006814:Hungary; D011676:Punched-Card Systems
vernacular_title: A vele született szívhibák differenciáldiagnózisának peremlyukkártyás módszere