A Comparative Study Of Intraoperative Infusion Of Dexmedetomidine Versus Nitroglycerin For Controlled Hypotension In Elective Functional Endoscopic Sinus Surgeries(Fess) - A Randomized Controlled Study. (2025). International Journal of Environmental Sciences, 2490-2495. https://doi.org/10.64252/k40jkg08