@misc{indiciae04c691270922,
  title = {Television roentgen image subtraction using one camera.},
  author = {C Haas and H L Kundel},
  year = {1969},
  doi = {10.1148/92.5.1118},
  url = {https://pubmed.ncbi.nlm.nih.gov/4890570/},
  note = {Source identifier: 4890570}
}