@misc{indiciae850207934cfa,
  title = {THE FETAL ELECTROCARDIOGRAM. 3. DISPLAY TECHNIQUES.},
  author = {E H HON and S T LEE},
  year = {1965},
  doi = {10.1016/0002-9378(65)90586-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/14245091/},
  note = {Source identifier: 14245091}
}