@misc{indiciaefed57f9c44f6,
  title = {Regional chronic bronchitis.},
  author = {D E Niewoehner and J Kleinerman and J D Knoke},
  year = {1972},
  doi = {10.1164/arrd.1972.105.4.586},
  url = {https://pubmed.ncbi.nlm.nih.gov/5017882/},
  note = {Source identifier: 5017882}
}