@misc{indiciae030327b60073,
  title = {A better system for polio vaccination in developing countries?},
  author = {D Bell},
  year = {1980},
  doi = {10.1136/bmj.281.6243.810},
  url = {https://pubmed.ncbi.nlm.nih.gov/7427460/},
  note = {Source identifier: 7427460}
}