@misc{indiciae7357096fef79,
  title = {Smallpox in decline.},
  year = {1972},
  doi = {10.5694/j.1326-5377.1972.tb46871.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5024414/},
  note = {Source identifier: 5024414}
}