@misc{indiciae3f984fef243f,
  title = {The aged lung.},
  author = {K K Pump},
  year = {1971},
  doi = {10.1378/chest.60.6.571},
  url = {https://pubmed.ncbi.nlm.nih.gov/5126188/},
  note = {Source identifier: 5126188}
}