@misc{indiciae8078285e213c,
  title = {Upper extremity prone position exercise as aerobic capacity indicator.},
  author = {L B De Boer and J E Kallal and M R Longo},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/7138257/},
  note = {Source identifier: 7138257}
}