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

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

145 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Publication Date timeline is not available.
Page 1
Defining physiologically "normal" vitamin D in African Americans.
Wright NC, Chen L, Niu J, Neogi T, Javiad K, Nevitt MA, Lewis CE, Curtis JR. Wright NC, et al. Osteoporos Int. 2012 Sep;23(9):2283-91. doi: 10.1007/s00198-011-1877-6. Epub 2011 Dec 22. Osteoporos Int. 2012. PMID: 22189572 Free PMC article.
Improving the efficiency and effectiveness of pragmatic clinical trials in older adults in the United States.
Saag KG, Mohr PE, Esmail L, Mudano AS, Wright N, Beukelman T, Curtis JR, Cutter G, Delzell E, Gary LC, Harrington TM, Karkare S, Kilgore ML, Lewis CE, Moloney R, Oliveira A, Singh JA, Warriner A, Zhang J, Berger M, Cummings SR, Pace W, Solomon DH, Wallace R, Tunis SR. Saag KG, et al. Contemp Clin Trials. 2012 Nov;33(6):1211-6. doi: 10.1016/j.cct.2012.07.002. Epub 2012 Jul 5. Contemp Clin Trials. 2012. PMID: 22796098 Free PMC article.
145 results