title: MK 486 and levodopa in treatment of Parkinsonism.
mesh_terms: D000368:Aged; D002230:Carbidopa / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D004357:Drug Synergism; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D006834:Hydrazines / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*
chemical_list: D006834:Hydrazines; D004295:Dihydroxyphenylalanine; D002230:Carbidopa