@misc{indiciae8c530e506896,
  title = {Emphysema.},
  author = {R A DOUGLAS},
  year = {1959},
  doi = {10.5694/j.1326-5377.1959.tb89401.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13817833/},
  note = {Source identifier: 13817833}
}