@misc{indiciae21970bd507cb,
  title = {The postoperative electrocardiogram.},
  author = {I Stein and N Caginalp},
  year = {1966},
  doi = {10.1177/000331976601700509},
  url = {https://pubmed.ncbi.nlm.nih.gov/5936948/},
  note = {Source identifier: 5936948}
}