@misc{indiciae8d6fc31cacbb,
  title = {Low Gradient, Low Ejection Fraction Aortic Stenosis.},
  author = {John Chambers},
  year = {2003},
  doi = {10.1007/s11936-003-0036-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/14575624/},
  note = {Source identifier: 14575624}
}