Ethnic differences in the prevalence of anencephaly and spina bifida in Boston, Massachusetts.
D000328:Adult; D001741:Black or African American; D000757:Anencephaly / Q000453:epidemiology*; D044383:Black People; D002170:Canada; D004739:England; D005006:Ethnicity; D005060:Europe; D005260:Female; D006801:Humans; D007494:Ireland; D007558:Italy; D007585:Jews; D008297:Male; D008404:Massachusetts; D012067:Religion; D012737:Sex Factors; D012923:Social Class; D016135:Spinal Dysraphism / Q000453:epidemiology*; D014481:United States