@misc{indiciae47d7333e1a8c,
  title = {Why act early in COPD?},
  author = {G J Wesseling and C P van Schayck},
  year = {2006},
  doi = {10.4081/monaldi.2006.561},
  url = {https://pubmed.ncbi.nlm.nih.gov/17220105/},
  note = {Source identifier: 17220105}
}