Sowmya Madihalli Janardhan Iyengar, Surekha Kumar, and Shankar Kantharaju. 2023. “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 Journal of Medical Sciences 14 (3):84-89. https://doi.org/10.3126/ajms.v14i3.47271.