@misc{indiciae01f820156f48,
  title = {Reversed reciprocal rhythm.},
  author = {C B Wolff},
  year = {1971},
  doi = {10.1136/hrt.33.1.152},
  url = {https://pubmed.ncbi.nlm.nih.gov/5100358/},
  note = {Source identifier: 5100358}
}