@misc{indiciaec3c090d912b1,
  title = {Smallpox vaccination.},
  author = {Andrew W Artenstein},
  year = {2003},
  doi = {10.1056/nejm200305083481915},
  url = {https://pubmed.ncbi.nlm.nih.gov/12736288/},
  note = {Source identifier: 12736288}
}