@misc{indiciae2af908feebd7,
  title = {Emphysema: definition, imaging, and quantification.},
  author = {W M Thurlbeck and N L Müller},
  year = {1994},
  doi = {10.2214/ajr.163.5.7976869},
  url = {https://pubmed.ncbi.nlm.nih.gov/7976869/},
  note = {Source identifier: 7976869}
}