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
1995 26
1996 37
1997 48
1998 43
1999 45
2000 41
2001 39
2002 40
2003 48
2004 54
2005 69
2006 70
2007 71
2008 75
2009 75
2010 66
2011 79
2012 98
2013 119
2014 97
2015 98
2016 87
2017 90
2018 95
2019 98
2020 94
2021 114
2022 110
2023 104
2024 43

Text availability

Article attribute

Article type

Publication date

Search Results

2,173 results

Results by year

Filters applied: . Clear all
Page 1
2,173 results