@misc{indiciae22c1f11edb1c,
  title = {Normal left ventricular function.},
  author = {J O Parker and R B Case},
  year = {1979},
  doi = {10.1161/01.cir.60.1.4},
  url = {https://pubmed.ncbi.nlm.nih.gov/376177/},
  note = {Source identifier: 376177}
}