@misc{indiciae904982e2c770,
  title = {Exercise-tolerance tests.},
  author = {E A HARRIS},
  year = {1958},
  doi = {10.1016/s0140-6736(58)90128-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/13576825/},
  note = {Source identifier: 13576825}
}