@misc{indiciae1e559b5d7bd9,
  title = {On the matter of method in exercise testing.},
  author = {P M Okin and P Kligfield},
  year = {1994},
  doi = {10.1016/0002-8703(94)90424-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/8198015/},
  note = {Source identifier: 8198015}
}