title: Specificity of immunologic unresponsiveness.
mesh_terms: D000818:Animals; D000941:Antigens / Q000276:immunology; D006168:Guinea Pigs; D006241:Haptens / Q000276:immunology; D007108:Immune Tolerance; D011506:Proteins / Q000276:immunology; D011817:Rabbits
chemical_list: D000941:Antigens; D006241:Haptens; D011506:Proteins