Mechanism of the maintenance of transplantation tolerance.
D000818:Animals; D001853:Bone Marrow / Q000276:immunology*; D016026:Bone Marrow Transplantation; D003602:Cytotoxicity, Immunologic; D007108:Immune Tolerance; D007116:Immunization, Passive; D011828:Radiation Chimera; D051381:Rats; D013154:Spleen / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology*; D050378:T-Lymphocytes, Regulatory / Q000276:immunology