title: Chronic lymphocytic leukemia terminating in acute leukemia.
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000150:complications*; D015470:Leukemia, Myeloid, Acute / Q000150:complications*; D008297:Male; D008875:Middle Aged