@misc{indiciaead474faba7c4,
  title = {Poliomyelitis in developing countries.},
  author = {C L Crawford and M J Hobbs},
  year = {1992},
  doi = {10.1136/bmj.305.6851.475-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/1392976/},
  note = {Source identifier: 1392976}
}