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 2
1978 1
1980 2
1981 1
1982 1
1984 1
1986 1
1987 1
1988 1
1989 5
1992 3
1993 4
1994 1
1995 3
1996 8
1997 7
1998 3
1999 10
2000 13
2001 12
2002 15
2003 13
2004 12
2005 8
2006 11
2007 12
2008 16
2009 15
2010 27
2011 23
2012 25
2013 22
2014 22
2015 19
2016 18
2017 16
2018 25
2019 22
2020 27
2021 15
2022 19
2023 11
2024 3

Text availability

Article attribute

Article type

Publication date

PubMed for id: 1670974

416 results

Results by year

Filters applied: . Clear all
Page 1
416 results