@misc{indiciae822a16b095e0,
  title = {Autonomous influence on sinus node and AV node function in the elderly without significant heart disease: assessment with electrophysiological and autonomic tests.},
  author = {H O Vallin},
  year = {1980},
  doi = {10.1093/cvr/14.4.206},
  url = {https://pubmed.ncbi.nlm.nih.gov/7427968/},
  note = {Source identifier: 7427968}
}