Fultambkar G, Gayathri R, Vijayanand B. A prospective, randomised double blinded comparative study of epidural ropivacaine with fentanyl and ropivacaine with dexmedetomidine in lower limb orthopaedic surgeries in epidural anaesthesia. Int J Res Med Sci [Internet]. 2024 Nov. 30 [cited 2025 Oct. 14];12(12):4545-51. Available from: https://www.msjonline.org/index.php/ijrms/article/view/14230