@misc{indiciaed8b3ee7a9dd1,
  title = {Pulmonary emphysema defined.},
  author = {G G ORNSTEIN},
  year = {1955},
  doi = {10.1378/chest.28.1.112},
  url = {https://pubmed.ncbi.nlm.nih.gov/14391172/},
  note = {Source identifier: 14391172}
}