Epidemiological studies of Huntington's chorea and congenital abnormalities.
D001699:Biometry; D000013:Congenital Abnormalities / Q000706:statistics & numerical data*; D016021:Epidemiologic Studies; D006801:Humans; D006816:Huntington Disease / Q000453:epidemiology*
ABNORMALITIES/statistics; HUNTINGTON'S CHOREA/epidemiology