title: A mechanism for the unresponsive state in BALB-c mice after repeated doses of sheep erythrocytes.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D000941:Antigens; D001402:B-Lymphocytes / Q000276:immunology; D004912:Erythrocytes / Q000276:immunology*; D006462:Hemolytic Plaque Technique; D007108:Immune Tolerance; D007114:Immunization; D007116:Immunization, Passive; D007117:Immunization, Secondary; D005779:Immunodiffusion; D007074:Immunoglobulin G; D008214:Lymphocytes / Q000276:immunology; D008264:Macrophages / Q000276:immunology; D051379:Mice; D008807:Mice, Inbred BALB C; D010527:Perissodactyla / Q000276:immunology; D011828:Radiation Chimera; D012756:Sheep / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D000941:Antigens; D007074:Immunoglobulin G