Fee, J P Analgesia after hip replacement surgery: comparison of nalbuphine with morphine. [electronic resource] - British journal of anaesthesia Dec 1989 - 756-8 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0007-0912 Standard No.: 10.1093/bja/63.6.756 doi Subjects--Topical Terms: AnalgesiaDouble-Blind MethodHip ProsthesisHumansInjections, IntramuscularMorphinans--therapeutic useMorphine--administration & dosageNalbuphine--administration & dosagePain, Postoperative--drug therapyRandom Allocation