@misc{indiciae6eff7b57cb2e,
  title = {Letter: Laboratory errors in porcelain crowns.},
  author = {W D Schwarz},
  year = {1975},
  doi = {10.1038/sj.bdj.4803575},
  url = {https://pubmed.ncbi.nlm.nih.gov/1100072/},
  note = {Source identifier: 1100072}
}