title: Cholinergic and dopaminergic mechanisms in Parkinson's disease after long term levodopa administration.
mesh_terms: D002230:Carbidopa / Q000494:pharmacology* / Q000627:therapeutic use; D004338:Drug Combinations / Q000494:pharmacology / Q000627:therapeutic use; D006801:Humans; D007980:Levodopa / Q000494:pharmacology* / Q000627:therapeutic use; D010300:Parkinson Disease / Q000188:drug therapy* / Q000503:physiopathology; D011950:Receptors, Cholinergic / Q000187:drug effects*; D011954:Receptors, Dopamine / Q000187:drug effects*; D013997:Time Factors
chemical_list: D004338:Drug Combinations; D011950:Receptors, Cholinergic; D011954:Receptors, Dopamine; C009265:carbidopa, levodopa drug combination; D007980:Levodopa; D002230:Carbidopa