de Matos, Andreia Margarida, André Goulard, André Ribeiro, Ricardo Freitas, Catarina Monteiro, and Paulo Martins. “Orbital Plasmacytoma, An Uncommon Presentation of Advanced Multiple Myeloma”. European Journal of Case Reports in Internal Medicine 7, no. 3 (January 31, 2020). Accessed April 30, 2024. https://www.ejcrim.com/index.php/EJCRIM/article/view/1149.