@misc{indiciaeff0a767d8b15,
  title = {Evaluation of left ventricular function by echocardiography.},
  author = {N J Fortuin and W P Hood and E Craige},
  year = {1972},
  doi = {10.1161/01.cir.46.1.26},
  url = {https://pubmed.ncbi.nlm.nih.gov/5064740/},
  note = {Source identifier: 5064740}
}