S. S. AL- Mudallal and H. N. Jasim, “Evaluation of Bcl 2 and Ki 67 expression in Chronic Lymphocytic Leukemia ”., JFacMedBagdad, vol. 54, no. 4, pp. 335–339, Jan. 2013, doi: 10.32007/jfacmedbagdad.544698.