@misc{indiciaeff13f71b05bb,
  title = {COPD in the ECRHS.},
  author = {J Vestbo},
  year = {2004},
  doi = {10.1136/thx.2003.018598},
  url = {https://pubmed.ncbi.nlm.nih.gov/14760140/},
  note = {Source identifier: 14760140}
}