title: Reduction of catechol-O-methyl-transferases activity by chronic L-dopa therapy.
mesh_terms: D000368:Aged; D002396:Catechols; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000494:pharmacology* / Q000627:therapeutic use; D004912:Erythrocytes / Q000201:enzymology; D005260:Female; D006801:Humans; D008297:Male; D008780:Methyltransferases / Q000097:blood*; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy; D013997:Time Factors
chemical_list: D002396:Catechols; D004295:Dihydroxyphenylalanine; D008780:Methyltransferases