Saeed, R., Salman Qazi, Z.U., Ali Shah, S.M., Bukhari, S., Kanwal, R. and Kakepotto, I. 2023. Effect of oral clonidine premedication on PR interval in patients undergoing rhinoplasty and functional endoscopic sinus surgery (FESS). Anaesthesia, Pain & Intensive Care. 27, 6 (Feb. 2023), 731-736. DOI:https://doi.org/10.35975/apic.v27i6.2343.