title: Double-blind comparison of levodopa and procyclidine in parkinsonism, with illustrations of levodopa-induced movement disorders.
mesh_terms: D000433:1-Propanol / Q000008:administration & dosage*; D000328:Adult; 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 / Q000008:administration & dosage*; D010300:Parkinson Disease / Q000188:drug therapy*; D010919:Placebos; D011352:Procyclidine / Q000008:administration & dosage; D011759:Pyrrolidines / Q000008:administration & dosage*
chemical_list: D010276:Parasympatholytics; D010919:Placebos; D011759:Pyrrolidines; D004295:Dihydroxyphenylalanine; D000433:1-Propanol; D011352:Procyclidine