@misc{indiciae15b54afb2829,
  title = {Exercise in patients with impaired left ventricular function.},
  author = {E S Froelicher and V F Froelicher},
  year = {1991},
  doi = {10.1161/01.cir.84.4.1866},
  url = {https://pubmed.ncbi.nlm.nih.gov/1914120/},
  note = {Source identifier: 1914120}
}