title: Salmonella O antigens and virulence.
mesh_terms: D000818:Animals; D000941:Antigens; D002473:Cell Wall / Q000276:immunology; D004926:Escherichia coli / Q000276:immunology; D008264:Macrophages; D051379:Mice; D011135:Polysaccharides, Bacterial; D012475:Salmonella / Q000276:immunology* / Q000472:pathogenicity*; D012481:Salmonella Infections, Animal / Q000276:immunology; D014774:Virulence
chemical_list: D000941:Antigens; D011135:Polysaccharides, Bacterial