@misc{indiciaef9c504eb34c3,
  title = {Approximate minimum bias multichannel spectral estimation for heart rate variability.},
  author = {E G Lovett and J B Myklebust},
  doi = {10.1007/bf02684191},
  url = {https://pubmed.ncbi.nlm.nih.gov/9146805/},
  note = {Source identifier: 9146805}
}