@misc{indiciae81fdb64ce681,
  title = {A simple, valid step test for estimating maximal oxygen uptake in epidemiologic studies.},
  author = {S F Siconolfi and C E Garber and T M Lasater and R A Carleton},
  year = {1985},
  doi = {10.1093/oxfordjournals.aje.a114010},
  url = {https://pubmed.ncbi.nlm.nih.gov/4014128/},
  note = {Source identifier: 4014128}
}