@misc{indiciae5814ec0ef5bb,
  title = {Periodontal probing.},
  author = {A F Hefti},
  year = {1997},
  doi = {10.1177/10454411970080030601},
  url = {https://pubmed.ncbi.nlm.nih.gov/9260047/},
  note = {Source identifier: 9260047}
}