Atri A, Gupta A, Gulati S. Comparison of Dexmedetomidine and Butorphanol as Adjuvants to Levobupivacaine for Epidural Anaesthesia in Hip and Lower Limb Surgeries: A Randomized Controlled Trial . JK Science [Internet]. 2021 Oct. 10 [cited 2024 Sep. 21];23(4):195-9. Available from: https://journal.jkscience.org/index.php/JK-Science/article/view/87