@misc{indiciae8ce8bb6b6d96,
  title = {Smallpox vaccination-development and discard.},
  author = {A D Macrae},
  year = {1972},
  doi = {10.1111/j.1469-8749.1972.tb02582.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5029909/},
  note = {Source identifier: 5029909}
}