@misc{indiciae9def5184c52e,
  title = {Exercise intolerance in heart failure.},
  author = {M B Fowler},
  year = {1991},
  doi = {10.1016/0735-1097(91)90833-u},
  url = {https://pubmed.ncbi.nlm.nih.gov/2007705/},
  note = {Source identifier: 2007705}
}