@misc{indiciae5cb9e8d39cd4,
  title = {Chronic obstructive pulmonary disease.},
  author = {D C Flenley},
  year = {1988},
  doi = {10.1016/0011-5029(88)90015-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/3048940/},
  note = {Source identifier: 3048940}
}