@misc{indiciaec09ddc95f7a7,
  title = {Layer thickness in rotational panoramic radiography: some specific aspects.},
  author = {U Welander and G Tronje and W D McDavid},
  year = {1989},
  doi = {10.1259/dmfr.18.3.2637877},
  url = {https://pubmed.ncbi.nlm.nih.gov/2637877/},
  note = {Source identifier: 2637877}
}