@misc{indiciae53a4949a7273,
  title = {[Cardiac surgery].},
  author = {W Bircks},
  year = {1972},
  doi = {10.1007/bf01282623},
  url = {https://pubmed.ncbi.nlm.nih.gov/4646308/},
  note = {Source identifier: 4646308}
}