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
1884 1
1947 1
1948 1
1961 1
1969 3
1974 1
1977 1
1980 3
1981 2
1982 3
1983 6
1984 2
1985 3
1987 6
1988 7
1989 7
1990 2
1991 5
1992 4
1993 18
1994 11
1995 17
1996 24
1997 22
1998 20
1999 24
2000 20
2001 19
2002 31
2003 31
2004 56
2005 88
2006 91
2007 109
2008 128
2009 71
2010 59
2011 55
2012 53
2013 53
2014 48
2015 48
2016 33
2017 30
2018 22
2019 22
2020 15
2021 9
2022 5
2023 2
2024 0

Text availability

Article attribute

Article type

Publication date

Similar articles for PMID: 18834960

1,155 results

Results by year

Filters applied: . Clear all
Page 1
1,155 results