@misc{indiciaee7d33bb9a2fa,
  title = {COPD in perspective.},
  author = {Thomas L Petty},
  year = {2002},
  doi = {10.1378/chest.121.5\_suppl.116s},
  url = {https://pubmed.ncbi.nlm.nih.gov/12010838/},
  note = {Source identifier: 12010838}
}