title: Further contributions to an improved pertussis vaccine: II. New findings in the development of a pertussis vaccine.
mesh_terms: D000942:Antigens, Bacterial / Q000302:isolation & purification; D001427:Bacterial Toxins / Q000302:isolation & purification; D001886:Bordetella pertussis / Q000276:immunology; D006801:Humans; D010567:Pertussis Vaccine / Q000302:isolation & purification*; D010566:Virulence Factors, Bordetella; D014917:Whooping Cough / Q000517:prevention & control
chemical_list: D000942:Antigens, Bacterial; D001427:Bacterial Toxins; D010567:Pertussis Vaccine; D010566:Virulence Factors, Bordetella