Motamed, C Postoperative hypoxaemia: continuous extradural infusion of bupivacaine and morphine vs patient-controlled analgesia with intravenous morphine. [electronic resource] - British journal of anaesthesia Jun 1998 - 742-7 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0007-0912 Standard No.: 10.1093/bja/80.6.742 doi Subjects--Topical Terms: Abdominal Neoplasms--surgeryAdolescentAdultAgedAnalgesia, Epidural--adverse effectsAnalgesia, Patient-Controlled--adverse effectsAnalgesics, Opioid--adverse effectsAnesthetics, Local--adverse effectsBupivacaine--adverse effectsFemaleHumansHypoxia--chemically inducedInfusions, IntravenousMaleMiddle AgedMorphine--adverse effectsPain, Postoperative--drug therapyPatient SatisfactionProspective Studies