@misc{indiciae41f93428be00,
  title = {Transmission imaging for nonuniform attenuation correction using a three-headed SPECT camera.},
  author = {D R Gilland and R J Jaszczak and K L Greer and R E Coleman},
  year = {1998},
  url = {https://pubmed.ncbi.nlm.nih.gov/9627354/},
  note = {Source identifier: 9627354}
}