@misc{indiciae078efa862c8b,
  title = {Epithelial and connective tissue changes in periodontitis.},
  author = {P D Toto and A W Gargiulo},
  year = {1970},
  doi = {10.1902/jop.1970.41.10.587},
  url = {https://pubmed.ncbi.nlm.nih.gov/4918580/},
  note = {Source identifier: 4918580}
}