title: A model for study of the cellular mechanisms that maintain long-term enhancement of cardiac graft survival.
mesh_terms: D000818:Animals; D006085:Graft Survival; D016027:Heart Transplantation; D007108:Immune Tolerance; D007111:Immunity, Cellular; D007116:Immunization, Passive; D008214:Lymphocytes / Q000276:immunology*; D011828:Radiation Chimera; D051381:Rats; D013154:Spleen / Q000276:immunology; D014184:Transplantation, Homologous