@misc{indiciaee80f7458ed21,
  title = {Age-related changes of sinus node function and autonomic regulation in subjects without sinus node disease--assessment by pharmacologic autonomic blockade.},
  author = {K Kuga and I Yamaguchi and Y Sugishita},
  year = {1993},
  doi = {10.1253/jcj.57.760},
  url = {https://pubmed.ncbi.nlm.nih.gov/8355393/},
  note = {Source identifier: 8355393}
}