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
1964 1
1970 1
1971 3
1972 1
1973 3
1974 6
1975 27
1976 44
1977 30
1978 42
1979 46
1980 46
1981 62
1982 73
1983 70
1984 71
1985 81
1986 71
1987 65
1988 55
1989 72
1990 68
1991 84
1992 88
1993 70
1994 68
1995 66
1996 86
1997 59
1998 75
1999 71
2000 84
2001 72
2002 73
2003 77
2004 80
2005 97
2006 102
2007 101
2008 110
2009 102
2010 111
2011 113
2012 129
2013 143
2014 135
2015 166
2016 181
2017 169
2018 177
2019 163
2020 193
2021 190
2022 220
2023 195
2024 80

Text availability

Article attribute

Article type

Publication date

PubMed for id: 52431

4,481 results

Results by year

Filters applied: . Clear all
Page 1
4,481 results