@misc{indiciae620667f40a40,
  title = {Mass polio vaccination.},
  author = {J Chander and S Subrahmanyan},
  year = {1996},
  doi = {10.1136/bmj.312.7040.1178},
  url = {https://pubmed.ncbi.nlm.nih.gov/8634552/},
  note = {Source identifier: 8634552}
}