@misc{indiciae3b108ec372ff,
  title = {QRS wave detection.},
  author = {J Fraden and M R Neuman},
  year = {1980},
  doi = {10.1007/bf02443287},
  url = {https://pubmed.ncbi.nlm.nih.gov/7392679/},
  note = {Source identifier: 7392679}
}