@misc{indiciae274f3c08b9c5,
  title = {Attenuation correction in gamma emission computed tomography.},
  author = {T E Walters and W Simon and D A Chesler and J A Correia},
  year = {1981},
  doi = {10.1097/00004728-198102000-00016},
  url = {https://pubmed.ncbi.nlm.nih.gov/6972392/},
  note = {Source identifier: 6972392}
}