@misc{indiciaeafc25042230b,
  title = {Preventive immunization in a national emergency.},
  author = {R E DYER},
  year = {1951},
  doi = {10.7326/0003-4819-35-4-771},
  url = {https://pubmed.ncbi.nlm.nih.gov/14878321/},
  note = {Source identifier: 14878321}
}