@misc{indiciaeb3328d670ebb,
  title = {Chronic bronchitis: should it worry us?},
  author = {J Vestbo},
  year = {2004},
  doi = {10.1191/1479972304cd022rs},
  url = {https://pubmed.ncbi.nlm.nih.gov/16281659/},
  note = {Source identifier: 16281659}
}