@misc{indiciaed446df352956,
  title = {An R-wave simulator for testing and calibrating heart rate amplification and processing systems.},
  author = {T J Harbin and W K Berg},
  year = {1981},
  doi = {10.1111/j.1469-8986.1981.tb03046.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7291453/},
  note = {Source identifier: 7291453}
}