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

Results by year

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

Year Number of Results
2000 10
2001 408
2002 289
2003 120
2004 179
2005 114
2006 269
2007 254
2008 149
2009 160
2010 229
2011 244
2012 1154
2013 1522
2014 3593
2015 690
2016 153
2017 71
2018 78
2019 97
2020 163
2021 176
2022 184
2023 89
2024 53

Text availability

Article attribute

Article type

Publication date

Search Results

10,440 results

Results by year

Filters applied: . Clear all
Page 1
10,440 results
You have reached the last available page of results. Please see the User Guide for more information.
-