mRNA expression profile of multidrug resistance genes in childhood acute lymphoblastic leukemia, low expression levels associated with a higher risk of toxic death - Cortez, Maria A. A.; Scrideli, Carlos Alberto; Yunes, José Andres; Valera, Elvis Terci; Toledo, Silvia R. C.; Pavoni-Ferreira, Patrícia C. B.; Lee, Maria L. M.; Petrilli, Antônio Sergio; Brandalise, Sílvia R.; Tone, Luiz Gonzaga (Pediatric Blood & Cancer, 2009)