@misc{indiciaedb1ad8e6afe7,
  title = {[Cardiac rhythm disorders in the elderly and their evaluation using several function tests].},
  author = {M A Stepanov and E V Flaĭsher},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5159364/},
  note = {Source identifier: 5159364}
}