@misc{indiciae7f58ab00c4a3,
  title = {Sleep and night-type arrhythmias.},
  author = {K Otsuka and T Yanaga and Y Ichimaru and K Seto},
  year = {1982},
  doi = {10.1536/ihj.23.479},
  url = {https://pubmed.ncbi.nlm.nih.gov/6182313/},
  note = {Source identifier: 6182313}
}