Effect of IKZF1 deletions on signal transduction pathways in Philadelphia chromosome negative pediatric B-cell precursor acute lymphoblastic leukemia (BCP-ALL) - van der Sligte, N E; Scherpen, F J; Ter Elst, A; Guryev, V; van Leeuwen, F N; de Bont, E S (Exp Hematol Oncol, 2015)