@misc{indiciaebc9dfe2d8768,
  title = {Emphysema: past, present and future.},
  author = {J Bignon and C Lenfant and G L Scarpa},
  year = {1980},
  doi = {10.1016/b978-0-08-027379-2.50045-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/6971681/},
  note = {Source identifier: 6971681}
}