An item response analysis of the motor and behavioral subscales of the unified Huntington's disease rating scale in huntington disease gene expansion carriers.
Vaccarino AL, Anderson K, Borowsky B, Duff K, Giuliano J, Guttman M, Ho AK, Orth M, Paulsen JS, Sills T, et al. Mov Disord. 2011 Apr; 26(5):877-84. Epub 2011 Mar 2.