title: [Mechanism of tuberculin reaction].
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D002464:Cell Migration Inhibition; D006168:Guinea Pigs; D006968:Hypersensitivity, Delayed; D007116:Immunization, Passive; D008198:Lymph Nodes / Q000276:immunology; D008264:Macrophages / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology; D014316:Tritium; D014374:Tuberculin Test
chemical_list: D014316:Tritium