title: Down's syndrome in Sweden. An epidemiological study of a three-year material.
mesh_terms: D000328:Adult; D001723:Birth Rate; D002869:Chromosome Aberrations; D002901:Chromosomes, Human, 13-15; D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008423:Maternal Age; D008875:Middle Aged; D013548:Sweden