title: Degeneracy of the immune response to sheep red cells. Thymic dependency.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000918:Antibody Specificity; D000937:Antigen-Antibody Reactions; D003429:Cross Reactions; D004247:DNA / Q000378:metabolism; D004912:Erythrocytes / Q000276:immunology*; D006736:Horses / Q000276:immunology; D007106:Immune Sera / Q000032:analysis; D007108:Immune Tolerance; D007112:Immunity, Maternally-Acquired; D007117:Immunization, Secondary; D007457:Iodine Radioisotopes; D051379:Mice; D008808:Mice, Inbred CBA; D011828:Radiation Chimera; D012756:Sheep / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology; D013950:Thymus Gland / Q000276:immunology*
chemical_list: D007106:Immune Sera; D007457:Iodine Radioisotopes; D004247:DNA