Amine metabolites in the cerebrospinal fluid in Parkinson's disease and the response to levodopa.

Adult Aged Dihydroxyphenylalanine/administration & dosage,adverse effects,therapeutic use Dopamine/metabolism Dose-Response Relationship, Drug Electroencephalography Evaluation Studies as Topic Female Follow-Up Studies Homovanillic Acid/cerebrospinal fluid Humans Hydroxyindoleacetic Acid/cerebrospinal fluid Male Middle Aged Parkinson Disease/cerebrospinal fluid,drug therapy,metabolism Phenylacetates/cerebrospinal fluid Serotonin/metabolism Tryptophan/therapeutic use

Phenylacetates Serotonin Hydroxyindoleacetic Acid Dihydroxyphenylalanine Tryptophan Dopamine Homovanillic Acid