@misc{indiciaee766781df9fc,
  title = {Does it help to know the left-ventricular ejection fraction?},
  year = {1986},
  doi = {10.1016/s0140-6736(86)91009-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/2870373/},
  note = {Source identifier: 2870373}
}