机译:The 3-Item "Apathy" Subscale Within the GDS-15 Is Not Supported in De Novo Parkinson's Disease Patients: Analysis of the PPMI Cohort
Dept Neurol Sci,Univ Nebraska Med Ctr;
Nebraska Med;
mood; depression; newly diagnosed; factor analysis; psychometrics; GERIATRIC DEPRESSION SCALE; RATING-SCALES; DIAGNOSTIC-CRITERIA; CLINICAL-FEATURES; NONMOTOR SYMPTOMS; CRITIQUE; VALIDATION;