@misc{indiciaead7fd2b89295,
  title = {Small airway closure in left heart failure.},
  author = {J V Collins and T J Clark and S McHardy-Young},
  year = {1972},
  doi = {10.1136/thx.27.2.260-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/5034607/},
  note = {Source identifier: 5034607}
}