@misc{indiciaeff3449f001ba,
  title = {Whooping-cough immunisation policy.},
  author = {P M Jeavons},
  year = {1975},
  doi = {10.1016/s0140-6736(75)80026-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/78167/},
  note = {Source identifier: 78167}
}