@misc{indiciae0a531e962f7d,
  title = {A better system for polio vaccination in developing countries?},
  author = {T J John and A Joseph and P Vijayarathnam},
  year = {1980},
  doi = {10.1136/bmj.281.6239.542},
  url = {https://pubmed.ncbi.nlm.nih.gov/6253010/},
  note = {Source identifier: 6253010}
}