@misc{indiciaed413c3a058af,
  title = {[Chronic bronchitis, COPD].},
  author = {H R Wirtz},
  year = {2005},
  doi = {10.1007/s00108-004-1335-z},
  url = {https://pubmed.ncbi.nlm.nih.gov/15655681/},
  note = {Source identifier: 15655681}
}