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.


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


My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

177 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. Results by year timeline is unavailable
Page 1
Towards a more comprehensive definition of shift work tolerance.
Saksvik-Lehouillier I, Pallesen S, Bjorvatn B, Magerøy N, Folkard S. Saksvik-Lehouillier I, et al. Among authors: folkard s. Ind Health. 2015;53(1):69-77. doi: 10.2486/indhealth.2014-0112. Epub 2014 Oct 17. Ind Health. 2015. PMID: 25327300 Free PMC article.
Shift work, safety, and aging.
Folkard S. Folkard S. Chronobiol Int. 2008 Apr;25(2):183-98. doi: 10.1080/07420520802106694. Chronobiol Int. 2008. PMID: 18484360 Review.
177 results