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 8
1946 50
1947 73
1948 60
1949 59
1950 98
1951 77
1952 85
1953 80
1954 100
1955 91
1956 82
1957 69
1958 77
1959 83
1960 80
1961 87
1962 125
1963 239
1964 407
1965 357
1966 359
1967 453
1968 557
1969 662
1970 654
1971 661
1972 729
1973 703
1974 783
1975 570
1976 477
1977 386
1978 301
1979 351
1980 321
1981 304
1982 312
1983 329
1984 324
1985 387
1986 400
1987 358
1988 348
1989 354
1990 450
1991 418
1992 438
1993 448
1994 409
1995 426
1996 378
1997 380
1998 378
1999 373
2000 371
2001 419
2002 427
2003 425
2004 496
2005 519
2006 557
2007 523
2008 544
2009 496
2010 524
2011 520
2012 530
2013 516
2014 498
2015 470
2016 469
2017 486
2018 473
2019 472
2020 450
2021 422
2022 554
2023 463
2024 163

Text availability

Article attribute

Article type

Publication date

PubMed (MeSH Keyword) for id: 6137

27,922 results

Results by year

Filters applied: . Clear all
Page 1
27,922 results
You have reached the last available page of results. Please see the User Guide for more information.