title: Extradural droperidol potentiates extradural opioids.
mesh_terms: D000368:Aged; D004329:Droperidol / Q000627:therapeutic use*; D004357:Drug Synergism; D004824:Epidural Space; D005260:Female; D006801:Humans; D008875:Middle Aged; D009020:Morphine / Q000627:therapeutic use*
chemical_list: D009020:Morphine; D004329:Droperidol