@misc{indiciaeeb77928ec09a,
  title = {Chronic obstructive pulmonary disease.},
  author = {Huib Kerstjens and Dirkje Postma},
  year = {2003},
  url = {https://pubmed.ncbi.nlm.nih.gov/12967439/},
  note = {Source identifier: 12967439}
}