Comparison of Intrathecal Bupivacaine with Additives Buprenorphine Versus Bupivacaine  with Dexmedetamidine for Postoperative Analgesia in Lower Limb Surgeries. mfm [Internet]. 2025 Apr. 12 [cited 2026 Feb. 3];36(3). Available from: https://medicalforummonthly.com/index.php/mfm/article/view/5239