@misc{indiciae188adcfd30af,
  title = {A variable-speed motorized bicycle ergometer for positive and negative work exercise.},
  author = {B Bigland-Ritchie and H Graichen and J J Woods},
  year = {1973},
  doi = {10.1152/jappl.1973.35.5.739},
  url = {https://pubmed.ncbi.nlm.nih.gov/4770358/},
  note = {Source identifier: 4770358}
}