@misc{indiciae4f2b4feebd8f,
  title = {[Simultaneous vaccination against smallpox].},
  author = {G JOPPICH},
  year = {1962},
  doi = {10.1055/s-0028-1114080},
  url = {https://pubmed.ncbi.nlm.nih.gov/13964870/},
  note = {Source identifier: 13964870}
}