@misc{indiciae6f642256769c,
  title = {[Variola].},
  author = {O Jessen and P Petersen and A Godtfredsen and V Faber and P Effersoe},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5117784/},
  note = {Source identifier: 5117784}
}