TY - JOUR TI - Comparative analysis between osteosarcoma and ewing's sarcoma: evaluation of the time from onset of signs and symptoms until diagnosis PY - 2006 AU - Guerra, Raquel Bezerra AU - Tostes, Marcelo Duarte AU - Miranda, Leandro da Costa AU - Camargo, Olavo Pires de AU - Baptista, André Mathias AU - Caiero, Marcelo Tadeu AU - Machado, Telma Muria dos Santos AU - Abadi, Márcia Datz AU - Oliveira, Claudia Regina G. C. M. Mendes de AU - Filippi, Renée Zon T2 - Clinics DO - 10.1590/s1807-59322006000200003 UR - https://doi.org/10.1590/s1807-59322006000200003 PP - São Paulo IS - 2 SP - 99-106 ER -