@misc{indiciae1b640afac667,
  title = {The ECG waveform.},
  author = {K R Greene},
  year = {1987},
  doi = {10.1016/s0950-3552(87)80027-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/3311509/},
  note = {Source identifier: 3311509}
}