title: Significance of immune reactions in leprosy.
mesh_terms: D004893:Erythema Nodosum / Q000276:immunology; D006801:Humans; D007158:Immunologic Techniques; D007165:Immunosuppression Therapy; D007918:Leprosy / Q000235:genetics / Q000276:immunology* / Q000382:microbiology; D009166:Mycobacterium leprae / Q000254:growth & development; D013601:T-Lymphocytes / Q000276:immunology