title: Review of issue: cognitive impairment in Parkinson's disease.
authors.affiliation: Department of Neurology, Drexel University College of Medicine, Philadelphia, PA 19102, USA. carol.lippa@drexelmed.edu
authors.forename: Carol F
authors.initials: CF
authors.lastname: Lippa
mesh_terms: D003072:Cognition Disorders / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy; D006801:Humans; D010300:Parkinson Disease / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy