@misc{indiciaed0d8458f55a3,
  title = {Open-floored concave compensating filter for angiography.},
  author = {J M Johnston and C H Carrasco and W R Richli and L M Marsch},
  year = {1991},
  doi = {10.1148/radiology.178.2.1987629},
  url = {https://pubmed.ncbi.nlm.nih.gov/1987629/},
  note = {Source identifier: 1987629}
}