@misc{indiciae39d5f44810bb,
  title = {A modified direct retainer design for distal-extension removable partial dentures.},
  author = {Z Ben-Ur and I Aviv and H S Cardash},
  year = {1988},
  doi = {10.1016/0022-3913(88)90280-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/3050050/},
  note = {Source identifier: 3050050}
}