@misc{indiciaed5ff455724b4,
  title = {Simplified risk stratification system for open heart surgery.},
  author = {Victor Parsonnet},
  year = {2006},
  doi = {10.1016/j.athoracsur.2006.05.027},
  url = {https://pubmed.ncbi.nlm.nih.gov/17062294/},
  note = {Source identifier: 17062294}
}