Nocoń, Krzysztof, Jakub Majewski, Józef Kurek, Goran Stojiljković, and Antoni Stadnicki. “MERKEL CELL CARCINOMA”. Scientific Journal of Polonia University 36, no. 5 (November 26, 2019): 118-123. Accessed June 6, 2020. http://nuife.org/index.php/pnap/article/view/396.