@misc{indiciaed85f8746decf,
  title = {Pseudoblocks and portal localization.},
  author = {A Korba and F R Zivznuska and J A Purdy and A Sorensen and W E Powers},
  year = {1977},
  doi = {10.1148/122.1.260},
  url = {https://pubmed.ncbi.nlm.nih.gov/851472/},
  note = {Source identifier: 851472}
}