@misc{indiciaec6e99d1f40b5,
  title = {Endobronchial valves.},
  author = {A Barbato and A Novello and F Tormena},
  year = {1994},
  doi = {10.1136/thx.49.5.528-e},
  url = {https://pubmed.ncbi.nlm.nih.gov/8016783/},
  note = {Source identifier: 8016783}
}