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

12,551 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Publication Date timeline is not available.
Page 1
The relative efficiency of time-to-threshold and rate of change in longitudinal data.
Donohue MC, Gamst AC, Thomas RG, Xu R, Beckett L, Petersen RC, Weiner MW, Aisen P; Alzheimer's Disease Neuroimaging Initiative. Donohue MC, et al. Among authors: xu r. Contemp Clin Trials. 2011 Sep;32(5):685-93. doi: 10.1016/j.cct.2011.04.007. Epub 2011 Apr 30. Contemp Clin Trials. 2011. PMID: 21554992 Free PMC article.
Phase I Trial of Stereotactic Body Radiation Therapy Dose Escalation in Pancreatic Cancer.
Courtney PT, Paravati AJ, Atwood TF, Raja N, Zimmerman CT, Fanta PT, Lowy AM, Simpson DR, Xu R, Murphy JD. Courtney PT, et al. Among authors: xu r. Int J Radiat Oncol Biol Phys. 2021 Jul 15;110(4):1003-1012. doi: 10.1016/j.ijrobp.2021.02.008. Epub 2021 Feb 8. Int J Radiat Oncol Biol Phys. 2021. PMID: 33571625 Clinical Trial.
12,551 results
You have reached the last available page of results. Please see the User Guide for more information.