title: Long-term treatment of parkinsonism with levodopa.
mesh_terms: D001479:Basal Ganglia / Q000502:physiology; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000009:adverse effects / Q000378:metabolism / Q000627:therapeutic use*; D006801:Humans; D007360:Intelligence; D008134:Long-Term Care; D008543:Melanins / Q000378:metabolism; D008568:Memory; D010300:Parkinson Disease / Q000188:drug therapy*; D012075:Remission, Spontaneous
chemical_list: D008543:Melanins; D004295:Dihydroxyphenylalanine