@misc{indiciae3d3e07eb14fc,
  title = {Contrast echocardiography.},
  author = {Beat A Kaufmann and Kevin Wei and Jonathan R Lindner},
  year = {2007},
  doi = {10.1016/j.cpcardiol.2006.10.004},
  url = {https://pubmed.ncbi.nlm.nih.gov/17208647/},
  note = {Source identifier: 17208647}
}