Dizdar, O., F. Karakeçili, B. Coskun, B. Ener, R. Ali, and R. Mıstık. “Fatal Cryptococcal Meningitis in a Patient With Chronic Lymphocytic Leukemia”. Mediterranean Journal of Hematology and Infectious Diseases, Vol. 4, no. 1, June 2012, p. e2012039, doi:10.4084/mjhid.2012.039.