Correlation between the expression of vegf and survival in osteosarcoma - Baptista, André Mathias; Camargo, André Ferrari De França; Filippi, Renée Zon; Oliveira, Cláudia Regina Gomes Cardim Mendes De; Azevedo Neto, Raymundo Soares De; Camargo, Olavo Pires De (Acta Ortopédica Brasileira, 2014)