@misc{indiciaeb9e995aced47,
  title = {A comparison of two methods for estimating bone loss.},
  author = {C Christiansen and P Rodbro and B Drewsen},
  year = {1976},
  doi = {10.1111/j.0954-6820.1976.tb08234.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/983797/},
  note = {Source identifier: 983797}
}