title: The epidemiology of dementia in patients with Parkinson's disease.
authors.affiliation: Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, New York.
authors.forename: K
authors.initials: K
authors.lastname: Marder
authors.forename: R
authors.initials: R
authors.lastname: Mayeux
mesh_terms: D000544:Alzheimer Disease / Q000209:etiology*; D003704:Dementia / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D010300:Parkinson Disease / Q000150:complications / Q000503:physiopathology*; D015995:Prevalence