@misc{indiciae53dc089afff1,
  title = {A modification to the Blake gingivectomy knife.},
  author = {E C Fox and H C Fox},
  year = {1979},
  doi = {10.1038/sj.bdj.4804215},
  url = {https://pubmed.ncbi.nlm.nih.gov/283811/},
  note = {Source identifier: 283811}
}