@misc{indiciaeec3f8651285c,
  title = {Contraindications to smallpox vaccination.},
  author = {A B Christie},
  year = {1973},
  doi = {10.1136/bmj.2.5868.714-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/4733256/},
  note = {Source identifier: 4733256}
}