@misc{indiciaed41648b69b0d,
  title = {Chronic obstructive lung disease.},
  author = {K N Palmer and J G Scadding},
  year = {1971},
  doi = {10.1016/s0140-6736(71)91804-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4104741/},
  note = {Source identifier: 4104741}
}