title: Appraisal of long-term levodopa treatment of parkinsonism with special reference to therapy limiting factors.
mesh_terms: D000368:Aged; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D007980:Levodopa / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D008297:Male; D001523:Mental Disorders / Q000139:chemically induced; D008875:Middle Aged; D009325:Nausea / Q000139:chemically induced; D010276:Parasympatholytics / Q000627:therapeutic use; D010300:Parkinson Disease / Q000175:diagnosis / Q000188:drug therapy*; D011379:Prognosis; D011581:Psychological Tests; D013997:Time Factors
chemical_list: D010276:Parasympatholytics; D007980:Levodopa