Epidemic waves in the prevalence of anencephaly and spina bifida in New York State.
D000293:Adolescent; D000328:Adult; D000757:Anencephaly / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008423:Maternal Age; D009518:New York; D016135:Spinal Dysraphism / Q000453:epidemiology*