title: Parkinsonism--new drugs and new approaches.
mesh_terms: D000328:Adult; D000368:Aged; D000978:Antiparkinson Agents / Q000627:therapeutic use*; D001923:Brain Chemistry; D003937:Diagnosis, Differential; D004298:Dopamine / Q000378:metabolism; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009434:Neural Pathways; D018377:Neurotransmitter Agents; D010300:Parkinson Disease / Q000175:diagnosis / Q000188:drug therapy*
chemical_list: D000978:Antiparkinson Agents; D018377:Neurotransmitter Agents; D004298:Dopamine