title: T lymphocytes subpopulations in B cell chronic lymphocytic leukemia.
mesh_terms: D000368:Aged; D001402:B-Lymphocytes; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000276:immunology* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D013601:T-Lymphocytes / Q000145:classification*