@misc{indiciae259fd99eba83,
  title = {Preanesthetic cardiac evaluation.},
  author = {A Shepard},
  year = {1972},
  doi = {10.1097/00007611-197212000-00015},
  url = {https://pubmed.ncbi.nlm.nih.gov/4641092/},
  note = {Source identifier: 4641092}
}