O. S. Dizdar, F. Karakeçili, B. N. Coskun, B. Ener, R. Ali, and R. Mıstık, “Fatal Cryptococcal Meningitis in a Patient With Chronic Lymphocytic Leukemia”, Mediterr J Hematol Infect Dis, vol. 4, no. 1, p. e2012039, Jun. 2012.