Intratracheal Dexmedetomidine versus Lidocaine for Smooth Extubation in Patients Undergoing Functional Endoscopic Sinus Surgery. - Elsayed Elsayed, Eman Mohamed; Tawfik, Mohamed Shehta; Elmalky, Amal Ali; Ahmed El-sayed, Noura Sayed (Zagazig University Medical Journal, 2025)