@misc{indiciae5895a1b316bd,
  title = {Does vaccination help to spread smallpox?},
  author = {C K MILLARD},
  year = {1951},
  doi = {10.1016/s0140-6736(51)91189-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/14795779/},
  note = {Source identifier: 14795779}
}