Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Comment
. 2023 Nov 15;208(10):1141-1142.
doi: 10.1164/rccm.202309-1653LE.

Reply to Gan et al

Affiliations
Comment

Reply to Gan et al

Fernando J Martinez. Am J Respir Crit Care Med. .
No abstract available

PubMed Disclaimer

Comment on

References

    1. Martinez FJ, Criner GJ, Gessner C, Jandl M, Scherbovsky F, Shinkai M, et al. Icenticaftor, a CFTR potentiator, in COPD: a multicenter, parallel-group, double-blind clinical trial. Am J Respir Crit Care Med . 2023;208:417–427. - PMC - PubMed
    1. Kim V, Criner GJ. Chronic bronchitis and chronic obstructive pulmonary disease. Am J Respir Crit Care Med . 2013;187:228–237. - PMC - PubMed
    1. Kim V, Zhao H, Regan E, Han MK, Make BJ, Crapo JD, et al. COPDGene Investigators The St. George’s Respiratory Questionnaire definition of chronic bronchitis may be a better predictor of COPD exacerbations compared with the classic definition. Chest . 2019;156:685–695. - PMC - PubMed
    1. Ferris BG. Epidemiology standardization project (American Thoracic Society) Am Rev Respir Dis . 1978;118:1–120. - PubMed
    1. Fletcher CM, Clifton M, Fairbairn AS, Fry J, Gilson JC, Higgins ITT, et al. Standardized questionnaires on respiratory symptoms. Br Med J . 1960;2:1665. - PubMed