@misc{indiciae88cd067e0005,
  title = {Two-dimensional echocardiography during pericardiocentesis.},
  author = {J A Callahan and J B Seward and A J Tajik},
  year = {1984},
  doi = {10.1016/0002-9149(84)90354-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6741833/},
  note = {Source identifier: 6741833}
}