MIR4435-2HG as a possible novel predictive biomarker of chemotherapy response and death in pediatric B-cell ALL oleh Yulieth Torres-Llanos, Jovanny Zabaleta, Nataly Cruz-Rodriguez, Sandra Quijano, Paula Carolina Guzmán, Iliana de los Reyes, Nathaly Poveda-Garavito, Ana Infante, Liliana Lopez-Kleine, Alba Lucía Combita, Alba Lucía Combita