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
1954 1
1958 1
2001 1
2002 7
2003 9
2004 9
2005 17
2006 25
2007 25
2008 25
2009 21
2010 38
2011 48
2012 44
2013 66
2014 72
2015 102
2016 101
2017 136
2018 119
2019 127
2020 176
2021 204
2022 222
2023 237
2024 101

Text availability

Article attribute

Article type

Publication date

Search Results

1,733 results

Results by year

Filters applied: . Clear all
Page 1
1,733 results