The thymus, thymosin and anti-thymosin.
D000818:Animals; D000906:Antibodies / Q000008:administration & dosage; D006087:Graft vs Host Reaction; D006728:Hormones; D006801:Humans; D007106:Immune Sera; D007111:Immunity, Cellular; D008214:Lymphocytes / Q000276:immunology; D051379:Mice; D016038:Skin Transplantation; D013934:Thymectomy; D013950:Thymus Gland / Q000276:immunology; D014020:Tissue Extracts / Q000302:isolation & purification; D014180:Transplantation; D014184:Transplantation, Homologous
D000906:Antibodies; D006728:Hormones; D007106:Immune Sera; D014020:Tissue Extracts