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
1968 1
1975 1
1977 1
1980 6
1981 7
1982 5
1983 11
1984 11
1985 14
1986 18
1987 18
1988 32
1989 21
1990 35
1991 29
1992 40
1993 44
1994 44
1995 28
1996 30
1997 36
1998 27
1999 36
2000 25
2001 26
2002 19
2003 21
2004 30
2005 21
2006 23
2007 16
2008 25
2009 15
2010 18
2011 22
2012 28
2013 28
2014 24
2015 15
2016 16
2017 10
2018 19
2019 18
2020 20
2021 17
2022 11
2023 9
2024 0

Text availability

Article attribute

Article type

Publication date

Similar articles for PMID: 23528384

940 results

Results by year

Filters applied: . Clear all
Page 1
940 results