@misc{indiciaeb7185e86db3f,
  title = {Microbubble image enhancement and pericardiocentesis.},
  author = {J O'Sullivan and A Heads and S Hunter},
  year = {1993},
  doi = {10.1016/0167-5273(93)90109-t},
  url = {https://pubmed.ncbi.nlm.nih.gov/8112912/},
  note = {Source identifier: 8112912}
}