Prevalence, etiology, and treatment of depression in Parkinson's disease
WM McDonald, IH Richard, MR DeLong - Biological psychiatry, 2003 - Elsevier
Parkinson's disease (PD) is primarily a disease of elderly individuals with a peak age at
onset of 55 to 66 years. It is characterized by bradykinesia, rigidity, tremor, and postural …
onset of 55 to 66 years. It is characterized by bradykinesia, rigidity, tremor, and postural …