@misc{indiciae548f41ff76b9,
  title = {Smallpox: laboratory diagnosis.},
  author = {E E Vella and D F Cronin and J D Welch and C P Balaam},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4341900/},
  note = {Source identifier: 4341900}
}