@misc{indiciae3e4a61392a1c,
  title = {Contracts and confidentiality.},
  author = {V Nathanson and N J Macdonald},
  year = {1991},
  doi = {10.1136/bmj.302.6788.1291},
  url = {https://pubmed.ncbi.nlm.nih.gov/2059683/},
  note = {Source identifier: 2059683}
}