@misc{indiciaececffc52f73f,
  title = {Clasp design for extension-base removable partial dentures.},
  author = {A J Krol},
  year = {1973},
  doi = {10.1016/s0022-3913(73)80018-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4570914/},
  note = {Source identifier: 4570914}
}