@misc{indiciae5230a24bc63d,
  title = {Difficulties in documenting immunisation status in general practice.},
  author = {L E Piggford and J T Lie and H A Kelly},
  year = {1998},
  url = {https://pubmed.ncbi.nlm.nih.gov/9529713/},
  note = {Source identifier: 9529713}
}