@misc{indiciaea67e68245386,
  title = {Intraoperative echocardiography.},
  author = {H L Lazar and J Plehn},
  year = {1990},
  doi = {10.1016/0003-4975(90)91153-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/2241371/},
  note = {Source identifier: 2241371}
}