Dr. Harijana Sreenivasulu, Dr. Avula Charan, Dr. G S Deepthi, Dr. Sruthi T, Dr. T. Sri Maillika. A COMPARATIVE STUDY OF EFFICACY OF INTRAVENOUS LOXICARD VERSUS KETAMINE INFUSION FOR PERIOPERATIVE OPIOID-SPARING ANALGESIA IN PATIENTS UNDERGOING ELECTIVE SPINE SURGERY: A RANDOMIZED CONTROLLED TRIAL. J Popl Ther Clin Pharmacol. 2026;33(2):1123-1137. doi:10.67145/mnkkwy54