@misc{indiciae837e33c43225,
  title = {'Paradoxical reaction' on the electrocardiogram during physical loading.},
  author = {V I Lebedev and A I Kazets},
  year = {1981},
  doi = {10.1159/000391978},
  url = {https://pubmed.ncbi.nlm.nih.gov/7234572/},
  note = {Source identifier: 7234572}
}