title: Homovanillic acid in the cerebrospinal fluid of Parkinsonian patients.
mesh_terms: D005260:Female; D006719:Homovanillic Acid / Q000134:cerebrospinal fluid*; D006801:Humans; D007980:Levodopa / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000134:cerebrospinal fluid* / Q000175:diagnosis / Q000188:drug therapy; D010648:Phenylacetates / Q000134:cerebrospinal fluid*; D011339:Probenecid
chemical_list: D010648:Phenylacetates; D007980:Levodopa; D011339:Probenecid; D006719:Homovanillic Acid