Myint, Kay, Ko Thant, and Moe Thazin. “Bilateral Orbital Metastasis As an Initial Presentation of Hepatocellular Carcinoma”. Asian Journal of Ophthalmology 17, no. 3 (December 31, 2020): 302-310. Accessed January 26, 2021. https://asianjo.com/index.php/AsianJO/article/view/708.