title: Letter: Lymphoid malignancy.
mesh_terms: D000818:Animals; D001327:Autoimmune Diseases; D006087:Graft vs Host Reaction; D007111:Immunity, Cellular; D008223:Lymphoma / Q000276:immunology*; D051379:Mice; D008806:Mice, Inbred AKR; D008814:Mice, Inbred NZB; D009858:Oncogenic Viruses / Q000472:pathogenicity