@misc{indiciae60a25f8b5eaa,
  title = {Radiological features in aortic stenosis.},
  author = {G A Batson and W Urquhart and D A Sideris},
  year = {1972},
  doi = {10.1016/s0009-9260(72)80076-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4263164/},
  note = {Source identifier: 4263164}
}