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
1997 2
1998 2
1999 2
2000 2
2001 9
2002 6
2003 14
2004 15
2005 12
2006 16
2007 24
2008 17
2009 32
2010 40
2011 54
2012 60
2013 59
2014 74
2015 85
2016 84
2017 97
2018 131
2019 133
2020 167
2021 201
2022 239
2023 218
2024 96

Text availability

Article attribute

Article type

Publication date

Search Results

1,696 results

Results by year

Filters applied: . Clear all
Page 1
1,696 results