Levodopa
SUSTAINED LEVODOPA THERAPY IN PARKINSONISM
COMPLICATED RESPONSE FLUCTUATIONS IN PARKINSON'S DISEASE: RESPONSE TO INTRAVENOUS INFUSION OF LEVODOPA
LEVODOPA AND L-TRYPTOPHAN THERAPY IN PARKINSONISM
TREATMENT OF PARKINSON'S DISEASE WITH AMANTADINE AND LEVODOPA
USE OF LEVODOPA WITH OTHER DRUGS