@misc{indiciae7ae589b3bae4,
  title = {Smallpox: the basics.},
  author = {Mark K Slifka and Jon M Hanifin},
  year = {2004},
  doi = {10.1016/j.det.2004.03.002},
  url = {https://pubmed.ncbi.nlm.nih.gov/15207308/},
  note = {Source identifier: 15207308}
}