@misc{indiciae6000099af1fe,
  title = {[Gingival retraction using Gingifoam. Inflation exposes the margin].},
  author = {M Martignoni and P Feinman},
  year = {1985},
  url = {https://pubmed.ncbi.nlm.nih.gov/3914901/},
  note = {Source identifier: 3914901}
}