@misc{indiciae826246b506a9,
  title = {Aortic valve replacement.},
  author = {D A Killen and J P Sutton and H A Collins},
  year = {1972},
  doi = {10.1097/00007611-197203000-00024},
  url = {https://pubmed.ncbi.nlm.nih.gov/5016455/},
  note = {Source identifier: 5016455}
}