@misc{indiciae620214d7e3f8,
  title = {Smallpox.},
  author = {S R Saxena},
  year = {1973},
  doi = {10.1136/bmj.3.5873.236-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/4718854/},
  note = {Source identifier: 4718854}
}