@misc{indiciae584b90e6baab,
  title = {A filing system for transparencies.},
  author = {S Hoffman and B E Simon},
  year = {1978},
  doi = {10.1097/00000637-197805000-00017},
  url = {https://pubmed.ncbi.nlm.nih.gov/727672/},
  note = {Source identifier: 727672}
}