@misc{indiciae274e534a7ce1,
  title = {Polio vaccination.},
  author = {H J Eggers and T Mertens},
  year = {1987},
  doi = {10.1001/jama.1987.03400030038014},
  url = {https://pubmed.ncbi.nlm.nih.gov/3599319/},
  note = {Source identifier: 3599319}
}