@misc{indiciae54de58717925,
  title = {Chronic obstructive airways disease.},
  author = {I W Grant},
  year = {1971},
  doi = {10.1016/s0140-6736(71)90040-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4103695/},
  note = {Source identifier: 4103695}
}