@misc{indiciaee6224c671d4f,
  title = {Task Force report on heart rate variability.},
  author = {V Novak and J P Saul and D L Eckberg},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9264529/},
  note = {Source identifier: 9264529}
}