title: Double-blind comparison of levodopa and procyclidine in parkinsonism, with illustrations of levodopa-induced movement disorders.
mesh_terms: D000433:1-Propanol; D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009069:Movement Disorders / Q000139:chemically induced*; D010276:Parasympatholytics / Q000627:therapeutic use*; D010300:Parkinson Disease / Q000188:drug therapy*; D011352:Procyclidine / Q000627:therapeutic use; D011759:Pyrrolidines / Q000627:therapeutic use*
chemical_list: D010276:Parasympatholytics; D011759:Pyrrolidines; D004295:Dihydroxyphenylalanine; D000433:1-Propanol; D011352:Procyclidine