High birth defect rates in Arizona? Geographic and ethnic factors bearing upon late childbearing and birth defect rates.
D000328:Adult; D001130:Arizona; D002648:Child; D000013:Congenital Abnormalities / Q000453:epidemiology*; D005006:Ethnicity; D005260:Female; D006801:Humans; D008423:Maternal Age; D018566:Pregnancy, High-Risk