title: Progression of Parkinson disease: are we making progress in charting the course?
authors.forename: Joseph
authors.initials: J
authors.lastname: Jankovic
mesh_terms: D018450:Disease Progression; D006801:Humans; D010300:Parkinson Disease / Q000175:diagnosis / Q000378:metabolism / Q000473:pathology* / Q000503:physiopathology