Kalso, E Effects of intrathecal morphine, injected with bupivacaine, on pain after orthopaedic surgery. [electronic resource] - British journal of anaesthesia May 1983 - 415-22 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0007-0912 Standard No.: 10.1093/bja/55.5.415 doi Subjects--Topical Terms: AdultAgedAnesthesia, SpinalBone and Bones--surgeryBupivacaineCarbon Dioxide--bloodFemaleHemodynamics--drug effectsHumansInjections, Spinal--adverse effectsMaleMiddle AgedMorphine--administration & dosagePain, Postoperative--prevention & controlPartial PressureTime Factors