title: The T or B cell nature of chronic lymphocytic leukaemic lymphocytes.
mesh_terms: D002908:Chronic Disease; D006801:Humans; D007074:Immunoglobulin G; D007945:Leukemia, Lymphoid / Q000276:immunology*; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology*
chemical_list: D007074:Immunoglobulin G