Prolonged survival of renal allografts exchanged between two incompatible strains of rat.
D000818:Animals; D006648:Histocompatibility; D007108:Immune Tolerance; D016030:Kidney Transplantation; D051381:Rats; D016038:Skin Transplantation; D013045:Species Specificity; D014184:Transplantation, Homologous