@misc{indiciaec2ecd51ea7ed,
  title = {[On tests to evaluate physical exercise tolerance].},
  author = {N R Zamfirescu and A Szögÿ},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/4917534/},
  note = {Source identifier: 4917534}
}