@misc{indiciae9eeaddd85773,
  title = {Current concepts: pulsus paradoxus.},
  author = {M McGregor},
  year = {1979},
  doi = {10.1056/nejm197908303010905},
  url = {https://pubmed.ncbi.nlm.nih.gov/460365/},
  note = {Source identifier: 460365}
}