Mast cell leukemia with t(8;21) and t(12;13): can we classify it as acute mast cell leukemia? - Lerma-Verdejo A; Forés R; Espinosa-Hevia L; Corbacho C; De La Iglesia A; Losa A; Bellas C; Cabrera Marin J (Journal of Hematopathology, 2020)