title: Hypothesis. T-cell tolerance--one signal?
mesh_terms: D000818:Animals; D000941:Antigens / Q000008:administration & dosage; D001402:B-Lymphocytes / Q000276:immunology; D002999:Clone Cells / Q000276:immunology; D004139:Dinitrofluorobenzene / Q000276:immunology; D006968:Hypersensitivity, Delayed / Q000276:immunology; D007108:Immune Tolerance; D008213:Lymphocyte Activation; D051379:Mice; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D000941:Antigens; D004139:Dinitrofluorobenzene