@misc{indiciae9b7a09b52ed9,
  title = {[Method of ECG recording during physical loading].},
  author = {Z B Belotserkovskiĭ and E I Vorob'eva},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7253384/},
  note = {Source identifier: 7253384}
}