@misc{indiciaeca6364ca7ee4,
  title = {Left ventricular function in rheumatic mitral stenosis. Clinical echocardiographic study.},
  author = {M M Ibrahim},
  year = {1979},
  doi = {10.1136/hrt.42.5.514},
  url = {https://pubmed.ncbi.nlm.nih.gov/518775/},
  note = {Source identifier: 518775}
}