Lu, D., J. Zhu, H. Yang, W.-L. Wu, and X.-L. Qin. “Epithelioid Angiosarcoma of the Middle Ear: A Case Report of a New Location”. International Journal of Clinical and Experimental Physiology, Vol. 2, no. 1, Jan. 2015, pp. 79-82, https://ijcep.org/index.php/ijcep/article/view/53.