title: Drug therapy: butorphanol.
mesh_terms: D002077:Butorphanol / Q000009:adverse effects / Q000494:pharmacology / Q000627:therapeutic use*; D006439:Hemodynamics / Q000187:drug effects; D006801:Humans; D009019:Morphinans / Q000627:therapeutic use*; D009369:Neoplasms / Q000628:therapy; D010149:Postoperative Pain / Q000188:drug therapy; D012119:Respiration / Q000187:drug effects; D019966:Substance-Related Disorders
chemical_list: D009019:Morphinans; D002077:Butorphanol