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

Search Page

Filters

My Custom Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2019 1
2020 2
2021 1
2025 0

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

4 results

Results by year

Filters applied: . Clear all
Page 1
Age-Dependent Associations Between 25-Hydroxy Vitamin D Levels and COPD Symptoms: Analysis of SPIROMICS.
Burkes RM, Couper DJ, Barjaktarevic IZ, Cooper CB, Labaki WW, Han MK, Woodruff PG, Lazarus SC, Parekh TM, Paine R 3rd, Comellas AP, Bowler RP, Loehr LR, Putcha N, Wise RA, Brown TT, Drummond MB. Burkes RM, et al. Chronic Obstr Pulm Dis. 2021 Apr 27;8(2):277-291. doi: 10.15326/jcopdf.2020.0180. Chronic Obstr Pulm Dis. 2021. PMID: 33829714 Free PMC article.
Associations Among 25-Hydroxyvitamin D Levels, Lung Function, and Exacerbation Outcomes in COPD: An Analysis of the SPIROMICS Cohort.
Burkes RM, Ceppe AS, Doerschuk CM, Couper D, Hoffman EA, Comellas AP, Barr RG, Krishnan JA, Cooper C, Labaki WW, Ortega VE, Wells JM, Criner GJ, Woodruff PG, Bowler RP, Pirozzi CS, Hansel NN, Wise RA, Brown TT, Drummond MB; SPIROMICS Investigators. Burkes RM, et al. Chest. 2020 Apr;157(4):856-865. doi: 10.1016/j.chest.2019.11.047. Epub 2020 Jan 17. Chest. 2020. PMID: 31958447 Free PMC article.
Plasma Cathelicidin is Independently Associated with Reduced Lung Function in COPD: Analysis of the Subpopulations and Intermediate Outcome Measures in COPD Study Cohort.
Burkes RM, Ceppe AS, Couper DJ, Comellas AP, Wells JM, Peters SP, Criner GJ, Kanner RE, Paine R 3rd, Christenson SA, Cooper CB, Barjaktarevic IZ, Krishnan JA, Labaki WW, Han MK, Curtis JL, Hansel NN, Wise RA, Drummond MB; SPIROMICS collaborators. Burkes RM, et al. Chronic Obstr Pulm Dis. 2020 Oct;7(4):370-381. doi: 10.15326/jcopdf.7.4.2020.0142. Chronic Obstr Pulm Dis. 2020. PMID: 33108110 Free PMC article.