Birth defects surveillance data from selected states, 1995-1999.
D002869:Chromosome Aberrations / Q000706:statistics & numerical data; D002882:Chromosomes, Human, Pair 13; D002887:Chromosomes, Human, Pair 18; D002891:Chromosomes, Human, Pair 21; D000013:Congenital Abnormalities / Q000453:epidemiology*; D005006:Ethnicity / Q000706:statistics & numerical data; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D006801:Humans; D007231:Infant, Newborn; D020407:Internet; D008423:Maternal Age; D009436:Neural Tube Defects / Q000453:epidemiology; D011159:Population Surveillance / Q000379:methods*; D014481:United States / Q000453:epidemiology