@misc{indiciae5cf1d64916e9,
  title = {Looking back at smallpox.},
  author = {Mike Bray and Mark Buller},
  year = {2004},
  doi = {10.1086/381976},
  url = {https://pubmed.ncbi.nlm.nih.gov/14999635/},
  note = {Source identifier: 14999635}
}