@misc{indiciaed600811381ba,
  title = {Impression techniques for attachment-retained distal extension removable partial dentures.},
  author = {H W Preiskel},
  year = {1971},
  doi = {10.1016/0022-3913(71)90124-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4929960/},
  note = {Source identifier: 4929960}
}