@misc{indiciaef303cca1616c,
  title = {[Smallpox--a review].},
  author = {M Enders and F Tewald and G Zöller and M Stemmler and H Meyer},
  year = {2002},
  doi = {10.1055/s-2002-31934},
  url = {https://pubmed.ncbi.nlm.nih.gov/12035116/},
  note = {Source identifier: 12035116}
}