@misc{indiciae9d1427da8bad,
  title = {Letter: Maximal treadmill testing.},
  author = {K Bruyneel},
  year = {1975},
  doi = {10.1016/0002-9149(75)90541-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1155351/},
  note = {Source identifier: 1155351}
}