@misc{indiciae75cd79cd7c53,
  title = {Palliative surgery for mitral atresia.},
  author = {S F Redo and M A Engle and K H Ehlers and P B Farnsworth},
  year = {1967},
  doi = {10.1001/archsurg.1967.01330170025004},
  url = {https://pubmed.ncbi.nlm.nih.gov/4167913/},
  note = {Source identifier: 4167913}
}