@misc{indiciae89eff5ebfbec,
  title = {Histological age changes associated with mouse parodontal tissues.},
  author = {E A Tonna},
  year = {1973},
  doi = {10.1093/geronj/28.1.1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4683196/},
  note = {Source identifier: 4683196}
}