@misc{indiciaef092ff37c5d6,
  title = {Eleven-year study of hydroxyapatite implants.},
  author = {H W Denissen and W Kalk and A A Veldhuis and A van den Hooff},
  year = {1989},
  doi = {10.1016/s0022-3913(89)80047-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/2657029/},
  note = {Source identifier: 2657029}
}