Murumkar, V., K. Kulanthaivelu, S. Goyal, and S. Biswas. “Isolated Cortical Vein Thrombosis Complicating Orbital Cellulitis”. Asian Journal of Ophthalmology, Vol. 17, no. 3, Dec. 2020, pp. 329-35, https://www.asianjo.com/index.php/AsianJO/article/view/816.