@misc{indiciaec8257698a3bb,
  title = {Exercise testing: improving performance with a ramped Bruce protocol.},
  author = {P M Will and J D Walter},
  year = {1999},
  doi = {10.1016/s0002-8703(99)70067-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/10577432/},
  note = {Source identifier: 10577432}
}