@misc{indiciae24060d7fc339,
  title = {Cases in electrocardiography.},
  author = {T Zimmers and F Ma},
  year = {1989},
  doi = {10.1016/0735-6757(89)90056-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/2735994/},
  note = {Source identifier: 2735994}
}