@misc{indiciae816ff33445d3,
  title = {Exercise capacity in patients with LV dysfunction.},
  author = {S A Magder and J Hung},
  year = {1980},
  doi = {10.1161/01.cir.62.6.1391},
  url = {https://pubmed.ncbi.nlm.nih.gov/7438376/},
  note = {Source identifier: 7438376}
}