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
1994 2
1995 2
1996 4
1997 3
1998 3
1999 2
2000 1
2001 2
2002 5
2003 11
2004 6
2005 11
2006 13
2007 11
2008 13
2009 18
2010 20
2011 24
2012 23
2013 27
2014 41
2015 49
2016 46
2017 37
2018 21
2019 29
2020 18
2021 13
2022 7
2023 2
2024 0

Text availability

Article attribute

Article type

Publication date

Similar articles for PMID: 22907845

419 results

Results by year

Filters applied: . Clear all
Page 1
419 results