Major malformations of the central nervous system in Hungary.
D000328:Adult; D000367:Age Factors; D000757:Anencephaly / Q000453:epidemiology* / Q000235:genetics; D001722:Birth Order; D001724:Birth Weight; D004200:Diseases in Twins; D004677:Encephalocele / Q000453:epidemiology*; D005260:Female; D006801:Humans; D006814:Hungary; D006849:Hydrocephalus / Q000453:epidemiology* / Q000235:genetics; D007231:Infant, Newborn; D008297:Male; D008588:Meningocele / Q000453:epidemiology; D012737:Sex Factors; D016135:Spinal Dysraphism / Q000453:epidemiology* / Q000235:genetics