@misc{indiciae168ac2663098,
  title = {Attenuation correction for small animal SPECT imaging using x-ray CT data.},
  author = {Andrew B Hwang and Bruce H Hasegawa},
  year = {2005},
  doi = {10.1118/1.1984347},
  url = {https://pubmed.ncbi.nlm.nih.gov/16266094/},
  note = {Source identifier: 16266094}
}