Distinct Activities of Glycolytic Enzymes Identify Chronic Lymphocytic Leukemia Patients with a more Aggressive Course and Resistance to Chemo-Immunotherapy oleh Georg Gdynia, Tadeusz Robak, Jürgen Kopitz, Anette Heller, Svetlana Grekova, Katarina Duglova, Gloria Laukemper, Monika Heinzel-Gutenbrunner, Cornelius Gutenbrunner, Wilfried Roth, Anthony D. Ho, Peter Schirmacher, Michael Schmitt, Peter Dreger, Leopold Sellner