@misc{indiciaefb326b248453,
  title = {Implementation of an accelerated iterative algorithm for cone-beam SPECT.},
  author = {J Li and R J Jaszczak and K L Greer and R E Coleman},
  year = {1994},
  doi = {10.1088/0031-9155/39/3/025},
  url = {https://pubmed.ncbi.nlm.nih.gov/15551605/},
  note = {Source identifier: 15551605}
}