Delayed hypersensitivity in a state of acquired immunological tolerance.
D000818:Animals; D004168:Diphtheria Toxoid / Q000494:pharmacology*; D006968:Hypersensitivity, Delayed; D007108:Immune Tolerance; D007166:Immunosuppressive Agents; D011817:Rabbits
D004168:Diphtheria Toxoid; D007166:Immunosuppressive Agents