@misc{indiciaef7280caa6194,
  title = {Internal bleaching: long-term outcomes and complications.},
  author = {S Friedman},
  year = {1997},
  doi = {10.14219/jada.archive.1997.0425},
  url = {https://pubmed.ncbi.nlm.nih.gov/9120147/},
  note = {Source identifier: 9120147}
}