Monarca, Cristiano, et al. “The Hundredth Case of Sclerosing Epithelioid Fibrosarcoma (SEF)”. Annali Italiani Di Chirurgia, vol. 84, no. 3, May 2013, pp. 315-8, https://annaliitalianidichirurgia.it/index.php/aic/article/view/2714.