@misc{indiciaec81b77cce6b8,
  title = {Emphysema in the aged.},
  author = {O C HANSEN-PRUSS and J D CHARLTON},
  year = {1954},
  doi = {10.1111/j.1532-5415.1954.tb02693.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13142865/},
  note = {Source identifier: 13142865}
}