@misc{indiciaec38932b31b5f,
  title = {Relationship between changes in left ventricular dimensions and the ejection fraction in man},
  author = {Lewis, R. P. and Sandler, H.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710063431},
  note = {Source identifier: 19710063431}
}