@misc{indiciaec5d98e3f10a5,
  title = {[Electrocardiographic abnormalities associated with advanced age].},
  author = {T Ozawa and M Iwamoto and N Handa and A Kishimoto and S Su},
  year = {1973},
  doi = {10.3143/geriatrics.10.50},
  url = {https://pubmed.ncbi.nlm.nih.gov/4735066/},
  note = {Source identifier: 4735066}
}