@misc{indiciaef41b58702e5d,
  title = {Smallpox control.},
  author = {W S Parker},
  year = {1974},
  doi = {10.1177/146642407409400110},
  url = {https://pubmed.ncbi.nlm.nih.gov/4845448/},
  note = {Source identifier: 4845448}
}