title: Clinical immunology. Introduction.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D002417:Cattle; D006649:Histocompatibility Antigens; D006706:Homeostasis; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology; D007154:Immune System Diseases / Q000276:immunology; D007109:Immunity; D007111:Immunity, Cellular; D007125:Immunogenetics; D008213:Lymphocyte Activation; D051379:Mice; D008815:Mice, Inbred Strains; D051381:Rats; D011919:Rats, Inbred Strains; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D006649:Histocompatibility Antigens