Concurrent deIetions of IKZF1 and PAX5, CDKN2A, CDKN2B or PAR1 (IKZF1plus) confer a very poor prognosis in pediatric acute lymphoblastic leukemia - Dagdan, E; Zaliova, M; Zimmermann, M; Dörge, P; Möricke, A; Teigler-Schlegel, A; Koehler, R; Bartram, CR; Alten, J; Schewe, D; Kratz, C; Houlston, RS; Schrappe, M; Cario, G; Stanulla, M (Klinische Pädiatrie, 2014)