Induction of suppressor cells and allograft tolerance.
D000375:Aging; D000818:Animals; D000831:Animals, Newborn; D006082:Graft Enhancement, Immunologic; D006168:Guinea Pigs; D007108:Immune Tolerance; D007116:Immunization, Passive; D008110:Liver Extracts / Q000494:pharmacology; D007959:Lymphocyte Culture Test, Mixed; D051379:Mice; D051381:Rats; D016038:Skin Transplantation; D013601:T-Lymphocytes / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology*; D014184:Transplantation, Homologous
D008110:Liver Extracts