@misc{indiciae78fdc736260d,
  title = {Left ventricular function during exercise in patients with pure mitral stenosis.},
  author = {N Bittar and J A Sosa and E A Reid},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5316278/},
  note = {Source identifier: 5316278}
}