@misc{indiciaea99ee9f28629,
  title = {Ceramic brackets.},
  author = {D Birnie},
  year = {1990},
  doi = {10.1179/bjo.17.1.71},
  url = {https://pubmed.ncbi.nlm.nih.gov/2178681/},
  note = {Source identifier: 2178681}
}