@misc{indiciae09f54759f093,
  title = {A technique for aortic root replacement by an aortic allograft.},
  author = {D C McGiffin and M F O'Brien},
  year = {1989},
  doi = {10.1016/0003-4975(89)90452-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/2653249/},
  note = {Source identifier: 2653249}
}