@misc{indiciaee9f872f106b0,
  title = {The ELECTROCARDIOGRAM during open heart surgery.},
  year = {1959},
  doi = {10.1016/0002-9149(59)90158-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/13856556/},
  note = {Source identifier: 13856556}
}