Butorphanol (Stadol), a new parenteral analgesic.
D002077:Butorphanol / Q000009:adverse effects / Q000494:pharmacology / Q000627:therapeutic use*; D006801:Humans; D007273:Injections, Intramuscular; D007275:Injections, Intravenous; D009019:Morphinans / Q000627:therapeutic use*; D010146:Pain / Q000188:drug therapy*; D010149:Postoperative Pain / Q000188:drug therapy
D009019:Morphinans; D002077:Butorphanol