MANGUAL, Danny; BISBAL-MATOS, Luis A.; JIMÉNEZ-LEE, Ricardo; VÉLEZ, Román; NOY, Miguel. Extraskeletal presentation of Ewing’s Sarcoma. Puerto Rico Health Sciences Journal, [S. l.], v. 37, n. 1, p. 55–57, 2018. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1570. Acesso em: 10 jan. 2026.