Expression profile of the hypoxia-related genes CA9, CA12, VEGF, SLC2A1, HIF-1A and HIF-1A and HIF-2A in central nervous system tumors (CNS) - Cortez, Maria Angélica Abdalla de Freitas; Scrideli, Carlos Alberto; Moreno, Daniel Antunes; Valera, Elvis Terci; Machado, Hélio Rubens; Serafini, Luciano Neder; Carlotti Júnior, Carlos Gilberto; Tone, Luiz Gonzaga (Congress of the International Society of Paediatric Oncology, 2008)