Comparison Of Efficacy Of Hyperbaric Ropivacaine 0.75% With Hyperbaric Levobupivacaine 0.5% In Subjects Undergoing Lower Limb Orthopaedic Surgeries Under Spinal Anaesthesia - A Randomised Control Study . Int. J. Environ. Sci. [Internet]. 2025 Sep. 29 [cited 2025 Oct. 11];:2585-91. Available from: https://theaspd.com/index.php/ijes/article/view/10587