title: Psychiatric illness in relatives of patients with Parkinson's disease: a preliminary report.
mesh_terms: D000293:Adolescent; D000328:Adult; D003863:Depression / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology*; D008875:Middle Aged; D010259:Paranoid Disorders / Q000453:epidemiology; D010300:Parkinson Disease / Q000235:genetics*; D010414:Pennsylvania; D010865:Pilot Projects; D012306:Risk; D012559:Schizophrenia / Q000453:epidemiology; D012737:Sex Factors