Narainswami, N. “Case Report: Cavernous Sinus Thrombosis: A Rare and Potentially Lethal Complication of Herpes Zoster Ophthalmicus That Can Easily Be Missed”. South African Medical Journal, vol. 113, no. 8, Aug. 2023, pp. 28-29, https://doi.org/10.7196/SAMJ.2023.v113i8.649.