@misc{indiciaec03c8ca54ba6,
  title = {Differentiating asthma and COPD patients.},
  author = {Feisal A El-Kassimi},
  year = {2004},
  doi = {10.1378/chest.126.2.653},
  url = {https://pubmed.ncbi.nlm.nih.gov/15302761/},
  note = {Source identifier: 15302761}
}