title: Lack of changes in ventricular cerebrospinal fluid concentrations of homovanillic acid following acute challenge with levodopa.
authors.forename: Z
authors.initials: Z
authors.lastname: Moussa
authors.forename: C
authors.initials: C
authors.lastname: Raftopoulos
authors.forename: S
authors.initials: S
authors.lastname: Przedborski
authors.forename: J
authors.initials: J
authors.lastname: Hildebrand
mesh_terms: D000368:Aged; D002230:Carbidopa / Q000493:pharmacokinetics; D002552:Cerebral Ventricles; D004338:Drug Combinations; D005260:Female; D006719:Homovanillic Acid / Q000134:cerebrospinal fluid*; D006801:Humans; D006850:Hydrocephalus, Normal Pressure / Q000134:cerebrospinal fluid; D007980:Levodopa / Q000493:pharmacokinetics / Q000494:pharmacology*; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000134:cerebrospinal fluid / Q000188:drug therapy
chemical_list: D004338:Drug Combinations; C009265:carbidopa, levodopa drug combination; D007980:Levodopa; D002230:Carbidopa; D006719:Homovanillic Acid