title: Predicting response to levodopa.
mesh_terms: D001921:Brain / Q000378:metabolism; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000627:therapeutic use*; D004298:Dopamine / Q000378:metabolism; D006801:Humans; D010300:Parkinson Disease / Q000134:cerebrospinal fluid / Q000175:diagnosis / Q000188:drug therapy*; D010648:Phenylacetates / Q000134:cerebrospinal fluid; D011339:Probenecid / Q000494:pharmacology; D013997:Time Factors
chemical_list: D010648:Phenylacetates; D004295:Dihydroxyphenylalanine; D011339:Probenecid; D004298:Dopamine