@misc{indiciaedf6f89ee1874,
  title = {The traction hook on the modified arrowhead clasp.},
  author = {B B Lovius},
  year = {1973},
  doi = {10.1038/sj.bdj.4803018},
  url = {https://pubmed.ncbi.nlm.nih.gov/4518257/},
  note = {Source identifier: 4518257}
}