Spinal opioids in the management of postoperative pain.
Department of Anaesthesia, Charing Cross Hospital, London, United Kingdom.
A P
AP
Rubin
D015360:Analgesia, Epidural; D000701:Analgesics, Opioid; D006801:Humans; D010149:Postoperative Pain / Q000517:prevention & control*
D000701:Analgesics, Opioid