@misc{indiciae6fdec4a74bc8,
  title = {Orthodontic bracket recycling.},
  author = {D E Machen},
  year = {1993},
  doi = {10.1016/s0889-5406(05)80447-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/8249938/},
  note = {Source identifier: 8249938}
}