@misc{indiciaece123c0768af,
  title = {HIV and Smallpox.},
  author = {Rob A Gruters and Albert D M E Osterhaus},
  year = {2005},
  doi = {10.1126/science.308.5726.1258b},
  url = {https://pubmed.ncbi.nlm.nih.gov/15919975/},
  note = {Source identifier: 15919975}
}