title: Cranial irradiation and lymphocyte subpopulations in acute lymphocytic leukemia.
mesh_terms: D000293:Adolescent; D001402:B-Lymphocytes / Q000528:radiation effects*; D001921:Brain / Q000528:radiation effects*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007945:Leukemia, Lymphoid / Q000097:blood / Q000532:radiotherapy*; D007958:Leukocyte Count; D013601:T-Lymphocytes / Q000528:radiation effects*