@misc{indiciae5ca2ac36c4eb,
  title = {Smallpox vaccination.},
  author = {S Kula},
  year = {2003},
  doi = {10.1136/adc.88.10.841},
  url = {https://pubmed.ncbi.nlm.nih.gov/14500295/},
  note = {Source identifier: 14500295}
}