title: Clinical characteristics of late-onset Parkinson disease.
authors.forename: Spiridon
authors.initials: S
authors.lastname: Papapetropoulos
authors.forename: Andreas A
authors.initials: AA
authors.lastname: Argyriou
authors.forename: John
authors.initials: J
authors.lastname: Ellul
authors.forename: Andreas A
authors.initials: AA
authors.lastname: Argiriou
mesh_terms: D017668:Age of Onset; D006801:Humans; D010300:Parkinson Disease / Q000453:epidemiology* / Q000503:physiopathology / Q000523:psychology