Complex MLL rearrangements in t(4;11) leukemia patients with absent AF4·MLL fusion allele. - Kowarz, E.; Burmeister, T.; Lo Nigro, L.; Jansen, M. W. J. C.; Delabesse, E.; Klingebiel, T.; Dingermann, Theo; Meyer, C.; Marschalek, R. (Leukemia (08876924), 2007)