@misc{indiciae0207ead2caa8,
  title = {[Evaluation of echocardiography for determining left ventricular function].},
  author = {H Wu and W Zhu and J Xu},
  year = {1994},
  url = {https://pubmed.ncbi.nlm.nih.gov/7954967/},
  note = {Source identifier: 7954967}
}