Tadmor, T., Shvidel, L., Bairey, O., Goldschmidt, N., Ruchlemer, R., Fineman, R., Rahimi‐Levene, N., Herishanu, Y., Yuklea, M., Arad, A., Aviv, A., Polliack, A., & Group, O. b. o. t. I. C. S. (n.d.). richter's transformation to diffuse large B‐cell lymphoma: A retrospective study reporting clinical data, outcome, and the benefit of adding rituximab to chemotherapy, from the Israeli CLL Study Group. American journal of hematology, 89(11), E218–E222. http://access.bl.uk/ark:/81055/vdc_100024975157.0x000043