IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-12-53667 Original Research Paper A Prospective Randomized Study To Compare The Efficacy And Safety Of 0.5% Levobupivacaine With 0.5% Bupivacaine In Spinal Anaesthesia On Patients Undergoing Total Knee Arthroplasty. M.Suchitra Dr. Dr. P.Ashalatha Dr. December 2023 12 12 01 02