@misc{indiciaeb691b0946869,
  title = {How long should we keep OR log?},
  author = {W A Regan},
  year = {1978},
  doi = {10.1016/s0001-2092(07)62883-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/246721/},
  note = {Source identifier: 246721}
}