@misc{indiciae32feafa84780,
  title = {On the practicability of submaximal exercise testing.},
  author = {J T Truett and H Benson and B Balke},
  year = {1966},
  doi = {10.1016/0021-9681(66)90069-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/5966015/},
  note = {Source identifier: 5966015}
}