@misc{indiciae4e60cae83be9,
  title = {Smallpox.},
  author = {A S Klainer},
  doi = {10.1016/0738-081x(89)90025-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/2647260/},
  note = {Source identifier: 2647260}
}