Incidence of neural tube malformations in Bucharest over 1977-1980.
D000293:Adolescent; D000328:Adult; D000757:Anencephaly / Q000453:epidemiology; D004200:Diseases in Twins / Q000453:epidemiology; D004493:Education; D004677:Encephalocele / Q000453:epidemiology; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000453:epidemiology; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D008588:Meningocele / Q000453:epidemiology; D008591:Meningomyelocele / Q000453:epidemiology; D009436:Neural Tube Defects / Q000453:epidemiology*; D011247:Pregnancy; D011248:Pregnancy Complications; D012383:Romania; D012923:Social Class; D016136:Spina Bifida Occulta / Q000453:epidemiology; D014777:Virus Diseases / Q000150:complications