@misc{indiciae54d728c347eb,
  title = {Letter: Panel for dental materials studies.},
  author = {D F Williams},
  year = {1974},
  doi = {10.1038/sj.bdj.4803158},
  url = {https://pubmed.ncbi.nlm.nih.gov/4531962/},
  note = {Source identifier: 4531962}
}