1. Brown, CR., Mazzulla, JP., Mok, MS., Nussdorf, RT., Rubin, PD. and Schwesinger, WH. Comparison of repeat doses of intramuscular ketorolac tromethamine and morphine sulfate for analgesia after major surgery.;Pharmacotherapy,1990
2. Cepeda, MS., Vargas, L., Ortegon, G., Sanchez, MA. and Carr, DB. Comparative analgesic efficacy of patient-controlled analgesia with ketorolac versus morphine after elective intraabdominal operations.;Anesth Analg,1995
3. Loach, LJ., Higgins, MS., Caplan, AB. and Stiff, JL. The visual analog scale in the immediate postoperative period: intrasubject variability and correlation with a numeric scale.;Anesth Analg,1998
4. Essving, P., Axelsson, K., Aberg, E., Spannar, H., Gupta, A. and Lundin, A. Local infiltration analgesia versus intrathecal morphine for postoperative pain management after total knee arthroplasty: a randomized controlled trial.;Anesth Analg,2011
5. Mahoney, OM., Noble, PC., Davidson, J. and Tullos, HS. The effect of continuous epidural analgesia on postoperative pain, rehabilitation, and duration of hospitalization in total knee arthroplasty.;Clin Orthop Relat Res,1990