@misc{indiciae34115f7eab84,
  title = {Heart rate variability.},
  author = {Harald M Stauss},
  year = {2003},
  doi = {10.1152/ajpregu.00452.2003},
  url = {https://pubmed.ncbi.nlm.nih.gov/14557228/},
  note = {Source identifier: 14557228}
}