@misc{indiciaeb48b3dc4ba96,
  title = {Perforations in human teeth with threaded retentive pins: a scanning electron microscopy study.},
  author = {J F Collins and P J Heins and W Fischlschweiger},
  year = {1984},
  doi = {10.1016/0022-3913(84)90438-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/6148415/},
  note = {Source identifier: 6148415}
}