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
1807 1
1889 1
1890 1
1915 1
1978 2
1979 1
1980 1
1981 2
1982 4
1983 3
1984 3
1985 5
1986 5
1987 3
1989 2
1990 3
1991 3
1992 10
1993 8
1994 10
1995 2
1996 8
1997 6
1998 11
1999 9
2000 11
2001 18
2002 41
2003 32
2004 31
2005 20
2006 27
2007 33
2008 29
2009 30
2010 32
2011 28
2012 30
2013 31
2014 31
2015 43
2016 44
2017 44
2018 30
2019 41
2020 36
2021 37
2022 16
2023 7
2024 0

Text availability

Article attribute

Article type

Publication date

Similar articles for PMID: 12571221

778 results

Results by year

Filters applied: . Clear all
Page 1
778 results