@misc{indiciae5cc8518137fc,
  title = {Immunisation in Nicaragua.},
  author = {G Williams},
  year = {1985},
  doi = {10.1016/s0140-6736(85)90658-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/2864512/},
  note = {Source identifier: 2864512}
}