Razak, Rosniza, Thomas Thamboo, and Shantha Amrith. “Extramedullary Plasmacytoma of the Orbit As Initial Presentation of Multiple Myeloma”. Asian Journal of Ophthalmology 13, no. 1 (1): 24-26. Accessed January 21, 2021. https://www.asianjo.com/index.php/AsianJO/article/view/15.