title: Immunology as a laboratory tool.
mesh_terms: D000372:Agglutination Tests; D000486:Allergy and Immunology; D019411:Clinical Laboratory Techniques; D003168:Complement Fixation Tests; D003601:Cytotoxicity Tests, Immunologic; D005455:Fluorescent Antibody Technique; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D011233:Precipitin Tests; D011863:Radioimmunoassay