Emsley, P.; Charles, I. G.; Fairweather, N. F.; Isaacs, N. W. (1996). "Structure of Bordetella pertussis virulence factor P.69 pertactin". Nature. 381 (6577): 90–92. Bibcode:1996Natur.381...90E. doi:10.1038/381090a0. PMID8609998.
Poolman JT, Hallander HO (February 2007). "Acellular pertussis vaccines and the role of pertactin and fimbriae". Expert Rev Vaccines. 6 (1): 47–56. doi:10.1586/14760584.6.1.47. PMID17280478.
Emsley, P.; Charles, I. G.; Fairweather, N. F.; Isaacs, N. W. (1996). "Structure of Bordetella pertussis virulence factor P.69 pertactin". Nature. 381 (6577): 90–92. Bibcode:1996Natur.381...90E. doi:10.1038/381090a0. PMID8609998.
Poolman JT, Hallander HO (February 2007). "Acellular pertussis vaccines and the role of pertactin and fimbriae". Expert Rev Vaccines. 6 (1): 47–56. doi:10.1586/14760584.6.1.47. PMID17280478.