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
1945 2
1946 3
1947 1
1948 3
1949 1
1950 25
1951 38
1952 17
1953 18
1954 10
1955 6
1956 3
1957 3
1958 1
1959 7
1960 8
1961 19
1962 25
1963 44
1964 60
1965 68
1966 77
1967 99
1968 126
1969 155
1970 156
1971 164
1972 147
1973 162
1974 144
1975 134
1976 98
1977 82
1978 89
1979 99
1980 72
1981 63
1982 72
1983 69
1984 91
1985 89
1986 65
1987 63
1988 64
1989 71
1990 64
1991 67
1992 51
1993 57
1994 49
1995 60
1996 53
1997 55
1998 72
1999 62
2000 66
2001 70
2002 57
2003 56
2004 55
2005 64
2006 60
2007 45
2008 55
2009 38
2010 55
2011 57
2012 55
2013 50
2014 53
2015 47
2016 57
2017 58
2018 40
2019 47
2020 31
2021 39
2022 37
2023 26
2024 10

Text availability

Article attribute

Article type

Publication date

PubMed (MeSH Keyword) for id: 8955

4,496 results

Results by year

Filters applied: . Clear all
Page 1
4,496 results