@misc{indiciae9c7e6bcd236a,
  title = {Heart rate variability. Frequency domain analysis.},
  author = {Z Ori and G Monir and J Weiss and X Sayhouni and D H Singer},
  year = {1992},
  url = {https://pubmed.ncbi.nlm.nih.gov/1504981/},
  note = {Source identifier: 1504981}
}