@misc{indiciae565265331f6b,
  title = {Surgery for severe emphysema.},
  author = {N Berend},
  year = {1997},
  doi = {10.5694/j.1326-5377.1997.tb138869.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9397036/},
  note = {Source identifier: 9397036}
}