@misc{indiciae9751a5c7f649,
  title = {Graphical and statistical techniques for cardiac cycle time (phase) dependent changes in interbeat interval: problems with the Jennings et al. (1991) proposals.},
  author = {R J Barry},
  year = {1993},
  doi = {10.1016/0301-0511(93)90092-m},
  url = {https://pubmed.ncbi.nlm.nih.gov/8435453/},
  note = {Source identifier: 8435453}
}