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 NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

100,127 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
The Chinese version of the Severe Respiratory Insufficiency questionnaire for patients with chronic hypercapnic chronic obstructive pulmonary disease receiving non-invasive positive pressure ventilation.
Chen R, Guan L, Wu W, Yang Z, Li X, Luo Q, Liang Z, Wang F, Guo B, Huo Y, Yang Y, Zhou L. Chen R, et al. Among authors: yang y, yang z. BMJ Open. 2017 Aug 28;7(8):e017712. doi: 10.1136/bmjopen-2017-017712. BMJ Open. 2017. PMID: 28851800 Free PMC article. Clinical Trial.
Correlation and compatibility between surface respiratory electromyography and transesophageal diaphragmatic electromyography measurements during treadmill exercise in stable patients with COPD.
Wu W, Guan L, Li X, Lin L, Guo B, Yang Y, Liang Z, Wang F, Zhou L, Chen R. Wu W, et al. Among authors: yang y. Int J Chron Obstruct Pulmon Dis. 2017 Nov 6;12:3273-3280. doi: 10.2147/COPD.S148980. eCollection 2017. Int J Chron Obstruct Pulmon Dis. 2017. PMID: 29158671 Free PMC article.
100,127 results
You have reached the last available page of results. Please see the User Guide for more information.