@misc{indiciaec5457f9fa1ef,
  title = {Prophylactic immunization and poliomyelitis.},
  author = {J LIEBEN},
  year = {1952},
  doi = {10.1001/archpedi.1952.02040050024003},
  url = {https://pubmed.ncbi.nlm.nih.gov/14884729/},
  note = {Source identifier: 14884729}
}