title: Letter: T and B cells in cerebrospinal fluid in acute lymphocytic leukemias.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology; D002555:Cerebrospinal Fluid / Q000166:cytology*; D002648:Child; D006801:Humans; D007945:Leukemia, Lymphoid / Q000134:cerebrospinal fluid*; D013601:T-Lymphocytes / Q000276:immunology