@misc{indiciaebcabce2ffd9f,
  title = {Poliomyelitis worldwide.},
  author = {H V Wyatt},
  year = {1980},
  doi = {10.1136/bmj.281.6254.1564-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/7437880/},
  note = {Source identifier: 7437880}
}