title: Early-stage Parkinson's disease: to treat or not to treat.
authors.forename: J
authors.initials: J
authors.lastname: Jankovic
authors.forename: I
authors.initials: I
authors.lastname: Shoulson
authors.forename: W J
authors.initials: WJ
authors.lastname: Weiner
mesh_terms: D000978:Antiparkinson Agents / Q000627:therapeutic use*; D006801:Humans; D010300:Parkinson Disease / Q000188:drug therapy*; D016032:Randomized Controlled Trials as Topic; D013997:Time Factors
chemical_list: D000978:Antiparkinson Agents