title: Deprenyl versus placebo in Parkinson disease: a double-blind study.
mesh_terms: D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D007980:Levodopa / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*; D010627:Phenethylamines / Q000627:therapeutic use*; D012642:Selegiline / Q000627:therapeutic use*
chemical_list: D010627:Phenethylamines; D012642:Selegiline; D007980:Levodopa