Abdelateef, Shaymaa M., et al. “Immunohistochemical Analysis of CD34 to Evaluate Angiogenesis in Chronic Lymphocytic Leukemia”. Journal of the Faculty of Medicine Baghdad, vol. 55, no. 2, July 2013, pp. 131-4, https://doi.org/10.32007/jfacmedbagdad.552641.