Pyridoxine antagonism of levodopa in parkinsonism.
D000368:Aged; D002855:Chromatography, Thin Layer; D003653:Decarboxylation; D004295:Dihydroxyphenylalanine / Q000037:antagonists & inhibitors* / Q000378:metabolism; D004298:Dopamine / Q000378:metabolism; D005260:Female; D006801:Humans; D007408:Intestinal Absorption; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*; D010648:Phenylacetates / Q000378:metabolism; D011736:Pyridoxine / Q000494:pharmacology*; D013268:Stimulation, Chemical
D010648:Phenylacetates; D004295:Dihydroxyphenylalanine; D011736:Pyridoxine; D004298:Dopamine