Chua Jr, R., Regalado, J. A. and Gelera, J. . (2021) “Delayed Sudden Blindness From Unilateral Ophthalmic Artery Vasospasm Following Endoscopic Sinus Surgery?”, Philippine Journal of Otolaryngology Head and Neck Surgery, 36(1), p. 62. doi: 10.32412/pjohns.v36i1.1643.