@misc{indiciae5fcb4348b121,
  title = {Echocardiogram in aortic stenosis.},
  author = {R Bassan},
  year = {1977},
  doi = {10.1016/0002-9149(77)90026-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/879038/},
  note = {Source identifier: 879038}
}