@misc{indiciae484b9add374a,
  title = {Factors (aging) affecting bone and cementum.},
  author = {E A Tonna},
  year = {1976},
  doi = {10.1902/jop.1976.47.5.267},
  url = {https://pubmed.ncbi.nlm.nih.gov/1063863/},
  note = {Source identifier: 1063863}
}