@misc{indiciaec258db888a63,
  title = {Smallpox: ten years gone.},
  author = {D R Hopkins},
  year = {1988},
  doi = {10.2105/ajph.78.12.1589},
  url = {https://pubmed.ncbi.nlm.nih.gov/2461102/},
  note = {Source identifier: 2461102}
}