@misc{indiciae57a47f8c1abf,
  title = {Reference values for exercise tests with continuous increase in load.},
  author = {I Nordenfelt and L Adolfsson and J E Nilsson and S Olsson},
  year = {1985},
  doi = {10.1111/j.1475-097x.1985.tb00592.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3995878/},
  note = {Source identifier: 3995878}
}