ZAFAR ALI , JAWERIA RIAZ , MAHWASH RASHID. Skeletal and Extra Skeletal Ewing’s Sarcoma / Primitive Neuroectodermal Tumors(PNET): Clinicopathological Study. Journal of Rawalpindi Medical College, Rawalpindi, Pakistan, v. 16, n. 2, 2012. Disponível em: http://journalrmc.com/index.php/JRMC/article/view/574. Acesso em: 17 nov. 2025.