@misc{indiciaecc062b8f2a4d,
  title = {[Pneumomediastinography: our personal method].},
  author = {A Sedlaczek and A Ponizyński},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5111366/},
  note = {Source identifier: 5111366}
}