@misc{indiciae620434092297,
  title = {Bar attachments for overdentures with nonparallel abutments.},
  author = {D B Evans and R G Koeppen},
  year = {1992},
  doi = {10.1016/0022-3913(92)90275-f},
  url = {https://pubmed.ncbi.nlm.nih.gov/1403922/},
  note = {Source identifier: 1403922}
}