title: Converting the UPDRS part III to the Hoehn and Yahr staging may not be adequate for a research database.
authors.forename: Hubert H
authors.initials: HH
authors.lastname: Fernandez
authors.forename: Charles E
authors.initials: CE
authors.lastname: Jacobson
authors.forename: Michael S
authors.initials: MS
authors.lastname: Okun
mesh_terms: D016208:Databases, Factual; D004185:Disability Evaluation; D006801:Humans; D010300:Parkinson Disease / Q000175:diagnosis*; D012106:Research / Q000706:statistics & numerical data; D012720:Severity of Illness Index