@misc{indiciae720cd805f0eb,
  title = {Secure units: why they are needed.},
  author = {H Bullard and M Bond},
  year = {1988},
  doi = {10.1177/002580248802800410},
  url = {https://pubmed.ncbi.nlm.nih.gov/3200142/},
  note = {Source identifier: 3200142}
}