@misc{9000,
  author = {G. Amirthalingam and H. Campbell and S. Ribeiro and N. Fry and M. Ramsay and E. Miller and N. Andrews},
  title = {Sustained Effectiveness of the Maternal Pertussis Immunization Program in England 3 Years Following Introduction},
  year = {2016},
  journal = {Clin Infect Dis},
  volume = {63},
  number = {suppl 4},
  pages = {S236-s243},
  issn = {1058-4838},
  doi = {10.1093/cid/ciw559},
}