Paucar-Lescano, P. K., Ventura-León, A., & Dagnino-Varas, A. (2020). Primary subcutaneous extraskeletal Ewing’s sarcoma (PNET). A case report and literatura review. Revista Médica Herediana, 31(1), 42–46. https://doi.org/10.20453/rmh.v31i1.3727