[Administration of L-dopa in Parkinson's syndrome and vitamin B6 metabolism].
D000368:Aged; D004295:Dihydroxyphenylalanine / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy* / Q000378:metabolism; D011736:Pyridoxine / Q000378:metabolism*
D004295:Dihydroxyphenylalanine; D011736:Pyridoxine