@misc{indiciae800ce84f4414,
  title = {Extracoronal amalgam restorations utilizing available tooth structure for retention.},
  author = {R F Birtcil and E A Venton},
  year = {1976},
  doi = {10.1016/0022-3913(76)90276-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/1061811/},
  note = {Source identifier: 1061811}
}