@misc{indiciae46faec8240f0,
  title = {The intracaval umbrella.},
  author = {R W Davis},
  year = {1971},
  doi = {10.1016/s0001-2092(07)60264-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/5204237/},
  note = {Source identifier: 5204237}
}