title: Postoperative epidural opioid analgesia: what are the choices?
authors.forename: W D
authors.initials: WD
authors.lastname: Ngan Kee
mesh_terms: D015360:Analgesia, Epidural / Q000379:methods*; D016058:Analgesia, Patient-Controlled / Q000379:methods; D000701:Analgesics, Opioid; D006801:Humans; D008614:Meperidine; D011182:Postoperative Care
chemical_list: D000701:Analgesics, Opioid; D008614:Meperidine