Congenital malformations in West Virginia.
D000013:Congenital Abnormalities / Q000453:epidemiology*; D004314:Down Syndrome / Q000453:epidemiology; D006330:Heart Defects, Congenital / Q000453:epidemiology; D006801:Humans; D016136:Spina Bifida Occulta / Q000453:epidemiology; D014903:West Virginia