@misc{indiciaef4734ed3c269,
  title = {[Echocardiography - Part I: Basic principles].},
  author = {J Ortiz and A J Barbato and E Kaiser and R M Savioli and A Y Matsumoto and E Del Nero Júnior},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/539925/},
  note = {Source identifier: 539925}
}