@misc{indiciaecdd005c38d81,
  title = {Physical methods in dentistry.},
  author = {G S Nixon},
  year = {1968},
  doi = {10.1088/0031-9155/13/2/201},
  url = {https://pubmed.ncbi.nlm.nih.gov/4870202/},
  note = {Source identifier: 4870202}
}