@misc{indiciae910a7025031c,
  title = {Letter: Disagrees with technique.},
  author = {L E Johnston},
  year = {1974},
  doi = {10.14219/jada.archive.1974.0330},
  url = {https://pubmed.ncbi.nlm.nih.gov/4524940/},
  note = {Source identifier: 4524940}
}