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

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1869 2
1893 1
1894 2
1895 2
1896 4
1897 1
1898 4
1899 2
1995 1
1997 1
1998 1
2002 1
2004 3
2005 1
2008 6
2009 13
2010 21
2011 26
2012 28
2013 32
2014 52
2015 43
2016 50
2017 34
2018 41
2019 33
2020 18
2021 27
2022 22
2023 5
2024 0

Text availability

Article attribute

Article type

Publication date

Similar articles for PMID: 23840072

432 results

Results by year

Filters applied: . Clear all
Page 1
432 results