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
1960 1
1961 1
1989 3
1990 2
1991 4
1992 2
1993 1
1994 3
1996 5
1997 2
1998 7
1999 1
2000 4
2001 3
2002 3
2003 4
2004 4
2005 10
2006 10
2007 12
2008 11
2009 17
2010 15
2011 29
2012 27
2013 37
2014 60
2015 73
2016 52
2017 59
2018 52
2019 47
2020 65
2021 41
2022 36
2023 17
2024 0

Text availability

Article attribute

Article type

Publication date

Similar articles for PMID: 19252205

620 results

Results by year

Filters applied: . Clear all
Page 1
620 results