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
1986 2
1992 1
1993 1
1994 1
1997 2
1998 3
1999 5
2000 3
2001 2
2002 57
2003 72
2004 66
2005 118
2006 114
2007 159
2008 154
2009 238
2010 305
2011 341
2012 361
2013 415
2014 516
2015 577
2016 529
2017 609
2018 774
2019 860
2020 1037
2021 1195
2022 1403
2023 1296
2024 564

Text availability

Article attribute

Article type

Publication date

Search Results

10,464 results

Results by year

Filters applied: . Clear all
Page 1
10,464 results
You have reached the last available page of results. Please see the User Guide for more information.