Avivi, I. Cohen, Y.C. Joffe, E. Benyamini, N. Held-Kuznetsov, V. Trestman, S. Terpos, E. Dimopoulos, M.A. Kastritis, E., Serum free immunoglobulin light chain fingerprint identifies a subset of newly diagnosed multiple myeloma patients with worse outcome, Journal of Hematology & Oncology, (35), 734-740, 2017, John Wiley and Sons Ltd, 1756-8722