@misc{indiciae7a85650b03df,
  title = {Exercise testing.},
  author = {D H Spodick},
  year = {1977},
  doi = {10.1161/01.cir.56.1.137},
  url = {https://pubmed.ncbi.nlm.nih.gov/862166/},
  note = {Source identifier: 862166}
}