@misc{indiciae46e14d4b8688,
  title = {Positioning device for endodontic working radiographs.},
  author = {H L Harbert and S K Palombo},
  year = {1983},
  doi = {10.1016/s0099-2399(83)80082-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6590770/},
  note = {Source identifier: 6590770}
}