@misc{indiciae84624f010d7d,
  title = {C.N.S. involvement after smallpox revaccination.},
  author = {N C Thalassinos and P Contoyannis},
  year = {1973},
  doi = {10.1016/s0140-6736(73)90449-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4122057/},
  note = {Source identifier: 4122057}
}