title: Ropinirole versus levodopa in Parkinson's disease.
authors.forename: John C
authors.initials: JC
authors.lastname: Morgan
authors.forename: Kapil D
authors.initials: KD
authors.lastname: Sethi
mesh_terms: D000328:Adult; D000368:Aged; D004311:Double-Blind Method; D006801:Humans; D007211:Indoles / Q000627:therapeutic use*; D038622:Internationality; D007980:Levodopa / Q000627:therapeutic use*; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy* / Q000378:metabolism*; D011446:Prospective Studies; D014055:Tomography, Emission-Computed / Q000379:methods
chemical_list: D007211:Indoles; C046649:ropinirole; D007980:Levodopa