title: Mechanism of immunity against brucella.
mesh_terms: D000818:Animals; D002003:Brucella abortus / Q000472:pathogenicity*; D002006:Brucellosis / Q000276:immunology*; D004927:Escherichia coli Infections; D007106:Immune Sera / Q000494:pharmacology; D051379:Mice
chemical_list: D007106:Immune Sera