Baraldo, M Plasma levels of levodopa. Its main metabolites and carbidopa after conventional and slow release levodopa-carbidopa treatment in parkinsonian patients. [electronic resource] - Pharmacological research - 119-20 p. digital Publication Type: Journal Article ISSN: 1043-6618 Standard No.: 10.1016/1043-6618(90)90837-4 doi Subjects--Topical Terms: Carbidopa--administration & dosageDelayed-Action PreparationsHumansLevodopa--administration & dosageMiddle AgedParkinson Disease--metabolism