title: Dementia in Parkinson's disease challenges the "gold standard".
authors.forename: Gilberto
authors.initials: G
authors.lastname: Levy
mesh_terms: D001921:Brain / Q000473:pathology; D003072:Cognition Disorders / Q000209:etiology; D003704:Dementia / Q000175:diagnosis* / Q000209:etiology*; D003937:Diagnosis, Differential; D006801:Humans; D016631:Lewy Bodies / Q000473:pathology; D020961:Lewy Body Disease / Q000175:diagnosis; D010300:Parkinson Disease / Q000150:complications* / Q000175:diagnosis*; D011446:Prospective Studies