@misc{indiciaee321bb1bb314,
  title = {[Alveolar bone changes after initial preparation observed by subtraction radiography].},
  author = {T Mera and T Okano and I Ishikawa},
  year = {1985},
  doi = {10.2329/perio.27.902},
  url = {https://pubmed.ncbi.nlm.nih.gov/3914527/},
  note = {Source identifier: 3914527}
}