@misc{indiciaef70cbfc712c6,
  title = {Important differences in clinical data from third, second, and first generation periodontal probes.},
  author = {H J Breen and P A Rogers and H C Lawless and J S Austin and N W Johnson},
  year = {1997},
  doi = {10.1902/jop.1997.68.4.335},
  url = {https://pubmed.ncbi.nlm.nih.gov/9150038/},
  note = {Source identifier: 9150038}
}