@misc{indiciaecb1613149b03,
  title = {Magnification coronary arteriography.},
  author = {P A Randall and K Amplatz},
  year = {1971},
  doi = {10.1148/101.1.51},
  url = {https://pubmed.ncbi.nlm.nih.gov/5111979/},
  note = {Source identifier: 5111979}
}