title: [Study of 3-4-dihydroxyphenylacetic acid, a dopamine catabolite, in patients with Parkinson's disease before treatment with L-dopa].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004295:Dihydroxyphenylalanine / Q000627:therapeutic use; D010300:Parkinson Disease / Q000097:blood* / Q000188:drug therapy / Q000503:physiopathology; D010648:Phenylacetates / Q000097:blood*; D013788:Thalamus / Q000503:physiopathology
chemical_list: D010648:Phenylacetates; D004295:Dihydroxyphenylalanine
vernacular_title: Etude d'un catabolite de la dopamine: l'acide 3-4-dihydroxyphénylacétique chez les parkinsoniens avant traitement par L-Dopa.