title: The baseline data of the Hungarian Congenital Malformation Register, 1970-1976.
mesh_terms: D000015:Abnormalities, Multiple / Q000453:epidemiology; D000013:Congenital Abnormalities / Q000453:epidemiology*; D005260:Female; D006801:Humans; D006814:Hungary; D008297:Male; D012042:Registries