MOHAMMED SALEH, S. A. E.; AWAD, H. G.; SHONODA, A. M.; SHORBAGY, M. S.; EL DIN, D. M. A comparison between propofol, dexmedetomidine and nitroglycerin as hypotensive agents and their effect on blood loss in functional endoscopic sinus surgery (FESS). Anaesthesia, Pain & Intensive Care, v. 26, n. 3, p. 338-346, 6 abr. 2022.