@misc{indiciaeccd005c6a1ca,
  title = {Superior vena caval obstruction.},
  author = {H C BALLON},
  year = {1952},
  doi = {10.1097/00000658-195207000-00005},
  url = {https://pubmed.ncbi.nlm.nih.gov/14934018/},
  note = {Source identifier: 14934018}
}