title: Psychiatric symptoms in Parkinson's disease: a comparison between patients with and without "on-off" symptoms.
authors.affiliation: Department of Psychiatry, Robert Wood Johnson University Medical School, New Brunswick, New Jersey 08903.
authors.forename: M
authors.initials: M
authors.lastname: Menza
authors.forename: N
authors.initials: N
authors.lastname: Forman
authors.forename: J
authors.initials: J
authors.lastname: Sage
authors.forename: R
authors.initials: R
authors.lastname: Cody
mesh_terms: D006801:Humans; D008875:Middle Aged; D010300:Parkinson Disease / Q000503:physiopathology / Q000523:psychology*; D011569:Psychiatric Status Rating Scales