@misc{indiciaee9641f3c119d,
  title = {Walking for exercise testing and training.},
  author = {J P Porcari and C B Ebbeling and A Ward and P S Freedson and J M Rippe},
  year = {1989},
  doi = {10.2165/00007256-198908040-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/2692115/},
  note = {Source identifier: 2692115}
}