@misc{indiciaefc339b963f78,
  title = {Whooping cough vaccination.},
  author = {N R Grist},
  year = {1977},
  doi = {10.1136/bmj.1.6060.573-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/843811/},
  note = {Source identifier: 843811}
}