title: Letter re: Huntington disease reduced penetrance alleles occur at high frequency in the general population.
authors.affiliation: Houston, TX.
authors.forename: Joseph
authors.initials: J
authors.lastname: Jankovic
authors.affiliation: Rome, Italy.
authors.forename: Ferdinando
authors.initials: F
authors.lastname: Squitieri
mesh_terms: D000483:Alleles; D005787:Gene Frequency; D006801:Humans; D006816:Huntington Disease / Q000235:genetics*; D019683:Penetrance; D019680:Trinucleotide Repeat Expansion; D018911:Trinucleotide Repeats