@misc{indiciae0b1efd31e422,
  title = {COPD: exacerbation.},
  author = {N F Voelkel and R Tuder},
  year = {2000},
  doi = {10.1378/chest.117.5\_suppl\_2.376s},
  url = {https://pubmed.ncbi.nlm.nih.gov/10843980/},
  note = {Source identifier: 10843980}
}