@misc{indiciae3c44fb29cb48,
  title = {Exercise capacity in patients with severe left ventricular dysfunction.},
  author = {W Benge and R L Litchfield and M L Marcus},
  year = {1980},
  doi = {10.1161/01.cir.61.5.955},
  url = {https://pubmed.ncbi.nlm.nih.gov/6444854/},
  note = {Source identifier: 6444854}
}