title: Endotoxin-containing preparations of Brucella abortus: biological studies.
mesh_terms: D000818:Animals; D002003:Brucella abortus / Q000032:analysis* / Q000276:immunology; D002006:Brucellosis / Q000276:immunology; D002498:Centrifugation; D002642:Chick Embryo; D004731:Endotoxins; D051379:Mice; D011817:Rabbits
chemical_list: D004731:Endotoxins