Stephan Stilgenbauer, Sandrine Sander, Lars Bullinger, Axel Benner, Elke Leupolt, Dirk Winkler, Alexander Kröber, Dirk Kienle, Peter Lichter and Hartmut Döhner (2007) “Clonal evolution in chronic lymphocytic leukemia: acquisition of high-risk genomic aberrations associated with unmutated VH, resistance to therapy, and short survival”, Haematologica. Pavia, Italy, 92(9), pp. 1242-1245. doi: 10.3324/haematol.10720.