@misc{indiciaebc69819b7e3e,
  title = {Root end isolation for retrograde fillings.},
  author = {J A Guerra},
  year = {1992},
  doi = {10.1016/s0099-2399(06)81142-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/1402564/},
  note = {Source identifier: 1402564}
}