@misc{indiciae25309f0ed4e1,
  title = {Chronic obstructive pulmonary disease.},
  author = {Huib Kerstjens and Dirkje Postma},
  year = {2002},
  url = {https://pubmed.ncbi.nlm.nih.gov/12603952/},
  note = {Source identifier: 12603952}
}