@misc{indiciaea3c91d4dabbb,
  title = {Update on echocardiography.},
  author = {R Salerni and J A Shaver},
  year = {1983},
  doi = {10.1016/0011-5029(83)90012-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6549618/},
  note = {Source identifier: 6549618}
}