@misc{indiciaec7d42d757614,
  title = {An efficient algorithm for spectral analysis of heart rate variability.},
  author = {R D Berger and S Akselrod and D Gordon and R J Cohen},
  year = {1986},
  doi = {10.1109/tbme.1986.325789},
  url = {https://pubmed.ncbi.nlm.nih.gov/3759126/},
  note = {Source identifier: 3759126}
}