@misc{indiciae142d55d5813a,
  title = {Aortic valve surgery as an emergency procedure.},
  author = {A M Hutter and R W De Sanctis and M J Nathan and M J Buckley and E D Mundth and W M Daggett and W G Austen},
  year = {1970},
  doi = {10.1161/01.cir.41.4.623},
  url = {https://pubmed.ncbi.nlm.nih.gov/5437406/},
  note = {Source identifier: 5437406}
}