@misc{indiciaeb6bf10b4a30d,
  title = {Oxygen deficit during exercise testing in heart failure. Relation to submaximal exercise tolerance.},
  author = {A M Cross and M B Higginbotham},
  year = {1995},
  doi = {10.1378/chest.107.4.904},
  url = {https://pubmed.ncbi.nlm.nih.gov/7705151/},
  note = {Source identifier: 7705151}
}