Bellan, Davi Gabriel EWING'S SARCOMA: EPIDEMIOLOGY AND PROGNOSIS FOR PATIENTS TREATED AT THE PEDIATRIC ONCOLOGY INSTITUTE, IOP-GRAACC-UNIFESP. [electronic resource] - Revista brasileira de ortopedia - 446-50 p. digital Publication Type: Journal Article ISSN: 2255-4971 Standard No.: 10.1016/S2255-4971(15)30126-9 doi