@misc{indiciaec336cd0d37ac,
  title = {Non-uniform attenuation correction in SPET using a modified conjugate gradient reconstruction method.},
  author = {K Knesaurek and J Machac},
  year = {1997},
  doi = {10.1097/00006231-199705000-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/9194085/},
  note = {Source identifier: 9194085}
}