title: [The effect of Stadol (butorphanol) on patients with severe postoperative pain--a double-blind comparative study with morphine (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D002077:Butorphanol / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009019:Morphinans / Q000627:therapeutic use*; D009020:Morphine / Q000627:therapeutic use; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D009019:Morphinans; D009020:Morphine; D002077:Butorphanol