title: Cell-mediated immunity in childhood malignancies.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007111:Immunity, Cellular; D007223:Infant; D007938:Leukemia / Q000276:immunology*; D009369:Neoplasms / Q000276:immunology*