@misc{indiciaeedff88c10055,
  title = {Correlation differences in heartbeat fluctuations during rest and exercise.},
  author = {Roman Karasik and Nir Sapir and Yosef Ashkenazy and Plamen Ch Ivanov and Itzhak Dvir and Peretz Lavie and Shlomo Havlin},
  year = {2002},
  doi = {10.1103/physreve.66.062902},
  url = {https://pubmed.ncbi.nlm.nih.gov/12513330/},
  note = {Source identifier: 12513330}
}