@misc{indiciaeac2abd613de7,
  title = {The soft tissue barrier at implants and teeth.},
  author = {T Berglundh and J Lindhe and I Ericsson and C P Marinello and B Liljenberg and P Thomsen},
  doi = {10.1034/j.1600-0501.1991.020206.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1809403/},
  note = {Source identifier: 1809403}
}