@misc{indiciae48d26b2ccaf4,
  title = {A device for measuring intravascular pressure gradient.},
  author = {S H Elson},
  year = {1971},
  doi = {10.1097/00007611-197109000-00012},
  url = {https://pubmed.ncbi.nlm.nih.gov/5096291/},
  note = {Source identifier: 5096291}
}