title: Butorphanol, a new intravenous analgesic: double-blind comparison with morphine sulfate in postoperative patients with moderate or severe pain.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000700:Analgesics / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008875:Middle Aged; D009019:Morphinans / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D009020:Morphine / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D010149:Postoperative Pain / Q000188:drug therapy*; D013997:Time Factors
chemical_list: D000700:Analgesics; D009019:Morphinans; D009020:Morphine