@misc{indiciae401d44320c52,
  title = {Control of smallpox.},
  author = {T L Hobday},
  year = {1966},
  doi = {10.1016/s0140-6736(66)91764-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4161063/},
  note = {Source identifier: 4161063}
}