@misc{indiciae5ad8ecb32061,
  title = {A computerized method for quantitative estimation of the epithelium-connective tissue interface applied to the gingiva of various age groups.},
  author = {T Karring and H Löe},
  year = {1973},
  doi = {10.3109/00016357309002510},
  url = {https://pubmed.ncbi.nlm.nih.gov/4519509/},
  note = {Source identifier: 4519509}
}