@misc{indiciae9b6b048b137d,
  title = {Cardiac function determined by echocardiogram.},
  author = {C M Shors},
  doi = {10.1097/00003246-197501000-00002},
  url = {https://pubmed.ncbi.nlm.nih.gov/1126178/},
  note = {Source identifier: 1126178}
}