@misc{indiciae70a76960bdd1,
  title = {Letter: Continue smallpox vaccination.},
  author = {R Tizes},
  year = {1973},
  doi = {10.2105/ajph.63.12.1022},
  url = {https://pubmed.ncbi.nlm.nih.gov/4759865/},
  note = {Source identifier: 4759865}
}