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
1959 1
1972 1
1978 1
1980 1
1981 2
1982 4
1983 9
1984 12
1985 15
1986 25
1987 46
1988 58
1989 55
1990 84
1991 81
1992 51
1993 54
1994 48
1995 38
1996 28
1997 21
1998 21
1999 11
2000 7
2001 7
2002 9
2003 11
2004 8
2005 4
2006 3
2007 3
2008 7
2009 2
2010 3
2011 3
2012 4
2013 2
2014 1
2015 1
2016 2
2017 2
2018 2
2019 1
2020 2
2022 1
2024 0

Text availability

Article attribute

Article type

Publication date

Similar articles for PMID: 8316220

745 results

Results by year

Filters applied: . Clear all
Page 1
745 results