@misc{indiciae88aefe5750f7,
  title = {Letter: Acid etching studies: a danger.},
  author = {N M Bass},
  year = {1974},
  doi = {10.1038/sj.bdj.4803339},
  url = {https://pubmed.ncbi.nlm.nih.gov/4613360/},
  note = {Source identifier: 4613360}
}