@misc{indiciaec56a821bf32d,
  title = {Comparative imaging techniques and models.},
  author = {I A Simpson and D J Sahn},
  year = {1993},
  doi = {10.1097/00001573-199311000-00015},
  url = {https://pubmed.ncbi.nlm.nih.gov/10146528/},
  note = {Source identifier: 10146528}
}