@misc{indiciae1a784dae8037,
  title = {Aortic valve replacement within a composite graft.},
  author = {A Koshal and R G Masters and I S Gill and W J Keon},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/8076005/},
  note = {Source identifier: 8076005}
}