T Robak, JZ Blonski, M Kasznicki, J Gora-Tybor, A Dmoszynska, and A Skotnicki. 2005. “The Effect of Subsequent Therapies in Patients With Chronic Lymphocytic Leukemia Previously Treated With Prednisone and Either Cladribine or Chlorambucil”. Haematologica 90 (7). Pavia, Italy, 994-96. https://doi.org/10.3324/%x.