@misc{indiciae897c4b6624f5,
  title = {SPECT liver imaging using an iterative attenuation correction algorithm and an external flood source.},
  author = {J A Malko and R L Van Heertum and G T Gullberg and W P Kowalsky},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3486959/},
  note = {Source identifier: 3486959}
}