@misc{indiciaedc40cfb442f1,
  title = {A progressive shuttle run test to estimate maximal oxygen uptake.},
  author = {R Ramsbottom and J Brewer and C Williams},
  year = {1988},
  doi = {10.1136/bjsm.22.4.141},
  url = {https://pubmed.ncbi.nlm.nih.gov/3228681/},
  note = {Source identifier: 3228681}
}