@misc{indiciae32fd0736e330,
  title = {The work electrocardiogram.},
  author = {A GRAYBIEL and N W ALLEBACH},
  year = {1959},
  doi = {10.1016/0002-9149(59)90363-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/13636994/},
  note = {Source identifier: 13636994}
}