@misc{indiciaec3616c7f6b09,
  title = {Special advisory service for immunisation.},
  author = {R Hall and A L Williams},
  year = {1988},
  doi = {10.1136/adc.63.12.1498},
  url = {https://pubmed.ncbi.nlm.nih.gov/3233001/},
  note = {Source identifier: 3233001}
}