title: Bacteria-immune system interactions. X. Effects of aging on Balb/c mice response to Escherichia coli.
mesh_terms: D000375:Aging; D000818:Animals; D001770:Blood Bactericidal Activity; D004927:Escherichia coli Infections / Q000276:immunology*; D007111:Immunity, Cellular; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology*; D051379:Mice; D008807:Mice, Inbred BALB C / Q000276:immunology*