@misc{indiciaec3c83a20e851,
  title = {Angular measurements in orthopantomography.},
  author = {A Frykholm and O Malmgren and K A Sämfors and U Welander},
  year = {1977},
  doi = {10.1259/dmfr.1977.0012},
  url = {https://pubmed.ncbi.nlm.nih.gov/291547/},
  note = {Source identifier: 291547}
}