Down's syndrome in Northern Ireland.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007494:Ireland; D008297:Male; D008875:Middle Aged; D012606:Scotland; D012737:Sex Factors