title: Non-toxigenic mutants of "Bordetella pertussis".
mesh_terms: D000818:Animals; D001886:Bordetella pertussis / Q000235:genetics* / Q000378:metabolism; D005798:Genes, Bacterial; D051379:Mice; D009154:Mutation; D010566:Virulence Factors, Bordetella / Q000096:biosynthesis / Q000235:genetics* / Q000633:toxicity
chemical_list: D010566:Virulence Factors, Bordetella