@misc{indiciaee146b8e5fe69,
  title = {Comprehensive immunisation in developing countries.},
  author = {R Cook},
  year = {1970},
  doi = {10.1016/s0140-6736(70)92233-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4098697/},
  note = {Source identifier: 4098697}
}