The problem of rejection.
D000818:Animals; D006648:Histocompatibility; D006801:Humans; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007166:Immunosuppressive Agents / Q000627:therapeutic use; D016030:Kidney Transplantation; D051381:Rats; D014181:Transplantation Immunology; D014184:Transplantation, Homologous
D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007166:Immunosuppressive Agents