@misc{indiciae8f43e17c3e93,
  title = {Electrocardiography.},
  author = {G F Fregin},
  year = {1985},
  doi = {10.1016/s0749-0739(17)30763-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/3878197/},
  note = {Source identifier: 3878197}
}