title: When do levodopa motor fluctuations first appear in Parkinson's disease?
authors.affiliation: Institute of Neurology, IRCCS San Raffaele Pisana, Rome, Italy. fabrizio.stocchi @ sanraffaele.it
authors.forename: Fabrizio
authors.initials: F
authors.lastname: Stocchi
authors.forename: Peter
authors.initials: P
authors.lastname: Jenner
authors.forename: Jose A
authors.initials: JA
authors.lastname: Obeso