title: Antigen responses.
mesh_terms: D000818:Animals; D000941:Antigens; D006412:Hematopoietic Stem Cells / Q000276:immunology; D007108:Immune Tolerance; D007165:Immunosuppression Therapy; D008214:Lymphocytes / Q000276:immunology; D051379:Mice; D008954:Models, Biological; D051381:Rats
chemical_list: D000941:Antigens