@misc{indiciae50afe9d593b6,
  title = {Heart rate variability and electrical stability.},
  author = {T Fetsch and L Reinhardt and T Wichter and M Borggrefe and G Breithardt},
  year = {1998},
  doi = {10.1007/s003950050234},
  url = {https://pubmed.ncbi.nlm.nih.gov/9833139/},
  note = {Source identifier: 9833139}
}