@misc{indiciaee00628494d77,
  title = {At-home bleaching system: effect on gingival tissue.},
  author = {W Scherer and M Palat and E Hittelman and H Putter and H Cooper},
  doi = {10.1111/j.1708-8240.1992.tb00669.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1389353/},
  note = {Source identifier: 1389353}
}