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
1994 1
2002 6
2003 6
2004 8
2005 12
2006 10
2007 8
2008 12
2009 14
2010 15
2011 19
2012 22
2013 34
2014 44
2015 45
2016 52
2017 54
2018 60
2019 80
2020 97
2021 77
2022 82
2023 75
2024 37

Text availability

Article attribute

Article type

Publication date

Search Results

774 results

Results by year

Filters applied: . Clear all
Page 1
774 results