@misc{indiciaeb5a8b5d0c013,
  title = {A method for demonstrating resin penetration into dentin.},
  author = {A J Gwinnett},
  year = {1977},
  doi = {10.1177/00220345770560111301},
  url = {https://pubmed.ncbi.nlm.nih.gov/274459/},
  note = {Source identifier: 274459}
}