Parashar, P., Sharma, M. K., Sakhareliya, T., & Raval, D. L. (2021). A comparative evaluation of dexmedetomidine and fentanyl with ropivacaine (0.75%) for epidural anesthesia in lower limb orthopedic surgery. International Journal of Research in Medical Sciences, 9(7), 1907–1912. https://doi.org/10.18203/2320-6012.ijrms20212507