@misc{indiciae35932d8b3784,
  title = {Audit by envelope.},
  author = {J Meyrick Thomas},
  year = {1991},
  doi = {10.1016/s0950-821x(05)80193-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/1915919/},
  note = {Source identifier: 1915919}
}