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