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
1999 1
2002 3
2003 4
2004 8
2005 4
2006 10
2007 12
2008 13
2009 6
2010 20
2011 31
2012 31
2013 37
2014 49
2015 68
2016 81
2017 90
2018 91
2019 110
2020 105
2021 139
2022 158
2023 160
2024 60

Text availability

Article attribute

Article type

Publication date

Search Results

1,124 results

Results by year

Filters applied: . Clear all
Page 1
1,124 results