@misc{indiciae1362797b6fdc,
  title = {An EM algorithm for estimating SPECT emission and transmission parameters from emissions data only.},
  author = {A Krol and J E Bowsher and S H Manglos and D H Feiglin and M P Tornai and F D Thomas},
  year = {2001},
  doi = {10.1109/42.918472},
  url = {https://pubmed.ncbi.nlm.nih.gov/11341711/},
  note = {Source identifier: 11341711}
}