@misc{indiciaee2eff55fe344,
  title = {Contrast echocardiography.},
  author = {J Roelandt},
  year = {1982},
  doi = {10.1016/0301-5629(82)90079-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/6755849/},
  note = {Source identifier: 6755849}
}