title: Huntington's chorea: a prevalence study in the Florence area.
abstract: A prevalence study of Huntington's chorea in Florence area in the period 1970-1979. Two clusters have been identified and the frequency of subjects heterozygote for Huntington's gene has been determined for planning Public Health intervention and the preparation of correct genetic counselling.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D006801:Humans; D006816:Huntington Disease / Q000453:epidemiology*; D007558:Italy; D008875:Middle Aged