@misc{indiciaef2f85bb1cda0,
  title = {Poliomyelitis immunization in 1957.},
  author = {J R PAUL},
  year = {1957},
  doi = {10.7326/0003-4819-46-6-1214},
  url = {https://pubmed.ncbi.nlm.nih.gov/13435671/},
  note = {Source identifier: 13435671}
}