@misc{indiciaee863cdfa01bb,
  title = {Coronary bypass procedures.},
  author = {D H Spodick},
  year = {1973},
  doi = {10.1056/nejm197305172882015},
  url = {https://pubmed.ncbi.nlm.nih.gov/4540499/},
  note = {Source identifier: 4540499}
}