@misc{indiciae28fbc51b270f,
  title = {Whooping-cough fatality rate.},
  author = {G Dick},
  year = {1978},
  doi = {10.1136/bmj.2.6136.562-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/698568/},
  note = {Source identifier: 698568}
}