The hereditary torsion dystonias (dystonia musculorum deformans): Geographical distribution and IQ in dominant and recessive forms.
D002875:Chromosomes; D004422:Dystonia Musculorum Deformans / Q000453:epidemiology*; D005006:Ethnicity; D005799:Genes, Dominant; D005808:Genes, Recessive; D006801:Humans; D007360:Intelligence; D007361:Intelligence Tests; D007585:Jews; D011044:Poland; D014481:United States