Ligon, J.M.E. and Almazan, N.A. 2018. The Effectiveness of Intravenous Tranexamic Acid on Blood Loss and Surgical Time During Endoscopic Sinus Surgery: A Systematic Review. Philippine Journal of Otolaryngology Head and Neck Surgery. 31, 2 (Nov. 2018), 8–12. DOI:https://doi.org/10.32412/pjohns.v31i2.221.