Parashar P, Sharma MK, Sakhareliya T, Raval DL. A comparative evaluation of dexmedetomidine and fentanyl with ropivacaine (0.75%) for epidural anesthesia in lower limb orthopedic surgery. Int J Res Med Sci [Internet]. 2021 Jun. 25 [cited 2025 Oct. 14];9(7):1907-12. Available from: https://www.msjonline.org/index.php/ijrms/article/view/9642