@misc{indiciae90e27f66f350,
  title = {Invisible lower cuspid to cuspid retainer.},
  author = {R W Knierim},
  year = {1973},
  doi = {10.1043/0003-3219(1973)043<0218:ilctcr>2.0.co;2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4571745/},
  note = {Source identifier: 4571745}
}