title: Mechanism of immunologic unresponsiveness: a new approach.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000276:immunology; D003877:Dermatitis, Contact / Q000276:immunology; D006168:Guinea Pigs; D006241:Haptens / Q000276:immunology; D006968:Hypersensitivity, Delayed / Q000276:immunology; D007108:Immune Tolerance; D008566:Membranes / Q000276:immunology; D010853:Picryl Chloride / Q000276:immunology; D013156:Splenectomy; D005719:gamma-Globulins / Q000276:immunology
chemical_list: D000906:Antibodies; D006241:Haptens; D005719:gamma-Globulins; D010853:Picryl Chloride