Saeed, R., Salman Qazi, Z. U., Ali Shah, S. M., Bukhari, S., Kanwal, R., & 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), 731-736. https://doi.org/10.35975/apic.v27i6.2343