@misc{indiciaed55ed60c37b3,
  title = {Active immunization against poliomyelitis.},
  author = {S GARD},
  year = {1956},
  doi = {10.1111/j.1600-0463.1956.tb06722.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13372254/},
  note = {Source identifier: 13372254}
}