The evolution of management of postoperative pain.
Rauck
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D015360:Analgesia, Epidural / Q000191:economics; D003365:Costs and Cost Analysis; D005283:Fentanyl / Q000008:administration & dosage*; D006801:Humans; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000188:drug therapy*; D012646:Self Administration / Q000191:economics
D009020:Morphine; D005283:Fentanyl