@misc{indiciae10a2313a022b,
  title = {Feeble fortress vs variola.},
  author = {D A Henderson and P F Wehrle},
  year = {1970},
  doi = {10.1056/nejm197002122820721},
  url = {https://pubmed.ncbi.nlm.nih.gov/5411140/},
  note = {Source identifier: 5411140}
}