title: Preemptive analgesia by intravenous low-dose ketamine and epidural morphine.
authors.forename: T J
authors.initials: TJ
authors.lastname: McCulloch
mesh_terms: D015360:Analgesia, Epidural; D000700:Analgesics / Q000009:adverse effects / Q000627:therapeutic use*; D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000493:pharmacokinetics / Q000627:therapeutic use*; D006801:Humans; D007275:Injections, Intravenous; D007649:Ketamine / Q000009:adverse effects / Q000627:therapeutic use*; D009020:Morphine / Q000008:administration & dosage / Q000493:pharmacokinetics / Q000627:therapeutic use*; D010149:Postoperative Pain / Q000517:prevention & control*
chemical_list: D000700:Analgesics; D000701:Analgesics, Opioid; D007649:Ketamine; D009020:Morphine