title: Parkinson's disease and dementia.
authors.forename: A J
authors.initials: AJ
authors.lastname: Lees
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000453:epidemiology*; D003072:Cognition Disorders / Q000209:etiology; D006801:Humans; D010300:Parkinson Disease / Q000523:psychology*