title: Discovery of new immune cells reveals reason for rejection of bone marrow grafts.
mesh_terms: D000818:Animals; D015551:Autoimmunity / Q000502:physiology; D016026:Bone Marrow Transplantation / Q000276:immunology*; D006086:Graft vs Host Disease / Q000276:immunology*; D006801:Humans; D007694:Killer Cells, Natural / Q000276:immunology*; D051379:Mice; D013601:T-Lymphocytes / Q000276:immunology*