@misc{indiciae8448d77dc841,
  title = {Gingival retraction.},
  author = {R Harris},
  year = {1978},
  doi = {10.1111/j.1834-7819.1978.tb03539.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/367342/},
  note = {Source identifier: 367342}
}