Sowmya Madihalli Janardhan Iyengar; Surekha Kumar; Shankar Kantharaju. Effect of Oral Premedication With Ivabradine on Surgical Field and Intraoperative Bleeding During Functional Endoscopic Sinus Surgeries: A Prospective, Randomized, and Placebo-Controlled Study. Asian J Med Sci 2023, 14, 84-89.