title: Parkinson's disease dementia--an overlooked major illness.
authors.forename: Leslie S
authors.initials: LS
authors.lastname: Libow
mesh_terms: D003704:Dementia / Q000150:complications* / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D010300:Parkinson Disease / Q000150:complications* / Q000175:diagnosis*