title: Alteration of immune competency by number of mice housed per cage.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells / Q000276:immunology; D001402:B-Lymphocytes / Q000276:immunology*; D005260:Female; D007111:Immunity, Cellular; D007121:Immunocompetence; D007375:Interleukin-1 / Q000032:analysis; D007376:Interleukin-2 / Q000032:analysis; D008213:Lymphocyte Activation; D051379:Mice; D008809:Mice, Inbred C3H; D012931:Social Environment; D013154:Spleen / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D007375:Interleukin-1; D007376:Interleukin-2