Edora, Bianca Denise, Ryan Chua, and Patrick Joseph Estolano. “A Makeshift Blue Light Filter for Endoscopic Identification of Traumatic Cerebrospinal Fluid Leak Using Fluorescein”. Philippine Journal of Otolaryngology Head and Neck Surgery 37, no. 2 (November 15, 2022): 46. Accessed March 29, 2024. https://pjohns.pso-hns.org/index.php/pjohns/article/view/2025.