Angelini, Andrea, Roberto Bevoni, Carlo Biz, Maria Chiara Cerchiaro, Mauro Girolami, and Pietro Ruggieri. “Schwannoma of the Foot: Report of Four Cases and Literature Review”. Acta Biomedica Atenei Parmensis 90, no. 1-S (January 10, 2019): 214–220. Accessed December 4, 2021. https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/8079.