@misc{indiciaeda8d2c020acd,
  title = {[Contrast echocardiography. Does it have a future?].},
  author = {Cláudio L Pereira da Cunha},
  year = {2006},
  doi = {10.1590/s0066-782x2006001500020},
  url = {https://pubmed.ncbi.nlm.nih.gov/16951840/},
  note = {Source identifier: 16951840}
}