@misc{indiciae8315d07f4d06,
  title = {Relationship between exacerbation frequency and lung function decline in chronic obstructive pulmonary disease.},
  author = {G C Donaldson and T A R Seemungal and A Bhowmik and J A Wedzicha},
  year = {2002},
  doi = {10.1136/thorax.57.10.847},
  url = {https://pubmed.ncbi.nlm.nih.gov/12324669/},
  note = {Source identifier: 12324669}
}