@misc{indiciae0434118b8357,
  title = {Simple e.c.g. arrhythmia simulator.},
  author = {P J Howlett and S A Pearson},
  year = {1978},
  doi = {10.1007/bf02451926},
  url = {https://pubmed.ncbi.nlm.nih.gov/309047/},
  note = {Source identifier: 309047}
}