@misc{indiciae5f98cb7461bd,
  title = {[Encephalitis after smallpox vaccination].},
  author = {N Trajkov and S Mironski and B Grunevska and J Angelova},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/4156973/},
  note = {Source identifier: 4156973}
}