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
1977 1
1978 1
1980 1
1981 1
1982 1
1983 1
1984 1
1985 1
1986 4
1987 3
1988 2
1989 2
1990 2
1991 8
1992 7
1993 5
1994 2
1995 8
1996 4
1997 9
1998 7
1999 5
2000 5
2001 5
2002 5
2003 6
2004 7
2005 7
2006 9
2007 6
2008 6
2009 9
2010 15
2011 20
2012 20
2013 25
2014 19
2015 21
2016 33
2017 21
2018 17
2019 19
2020 20
2021 26
2022 40
2023 98
2024 26

Text availability

Article attribute

Article type

Publication date

PubMed for id: 1644766

500 results

Results by year

Filters applied: . Clear all
Page 1
500 results