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
My NCBI Filters
Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1870 1
1949 1
1961 1
1962 2
1963 2
1980 1
1981 1
1987 1
1989 1
1990 2
1991 2
1992 2
1993 2
1994 1
1995 5
1997 3
1998 7
1999 4
2000 7
2001 3
2002 4
2003 6
2004 10
2005 10
2006 17
2007 8
2008 5
2009 7
2010 8
2011 6
2012 7
2013 6
2014 9
2015 15
2016 15
2017 14
2018 9
2019 10
2020 11
2021 6
2022 5
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 17148632

218 results
Results by year
Filters applied: . Clear all
Page 1
218 results