van Outersterp I, Boer JM, Sonneveld E, de Jong AX, Nierkens S, van der Velden VH, Buijs A, Luesink M, den Boer ML, Hoogerbrugge PM. Multilineage involvement in ABL-class fusion–positive pediatric B-cell acute lymphoblastic leukemia: CML-like biology. Haematologica; https://doi.org/10.3324/haematol.2025.287931 [Early view].