1. Nossal, G.J.V. Immunogenicity, 309–319 (Liss, New York, 1990).
2. Edwards, K.M. et al. Comparison of 13 acellular pertussis vaccines: Overview and serologic response. Pediatrics 96, 548–557 (1995).
3. Ramon, G. Sur la toxine et sur I'anatoxine diphtheriques. Ann. Inst. Pasteur 38, 1–10 (1924).
4. Pizza, M. et al. Mutants of pertussis toxin suitable for vaccine development. Science 246, 497–500 (1989).
5. Hewlett, E.L. Acellular pertussis trial. Pediatrics 98, 800 (1996).