The cerebrospinal fluid homovanillic acid concentration in patients with Parkinsonism treated with L-dopa.
D000368:Aged; D004295:Dihydroxyphenylalanine / Q000009:adverse effects / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000134:cerebrospinal fluid / Q000188:drug therapy*; D010648:Phenylacetates / Q000134:cerebrospinal fluid*
D010648:Phenylacetates; D004295:Dihydroxyphenylalanine