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

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1944 1
1945 7
1946 59
1947 22
1948 8
1949 11
1950 1
1951 42
1952 64
1953 164
1954 157
1955 147
1956 186
1957 178
1958 155
1959 206
1960 182
1961 281
1962 171
1963 123
1964 322
1965 581
1966 941
1967 1164
1968 1607
1969 1816
1970 2145
1971 2523
1972 3000
1973 3312
1974 3649
1975 3687
1976 3673
1977 3779
1978 3943
1979 4114
1980 4225
1981 4296
1982 4387
1983 4585
1984 4956
1985 5186
1986 5730
1987 5776
1988 6067
1989 6739
1990 7162
1991 6634
1992 6790
1993 7672
1994 7852
1995 7325
1996 7262
1997 7514
1998 7702
1999 7829
2000 8695
2001 9003
2002 9203
2003 9672
2004 9833
2005 10273
2006 10729
2007 11099
2008 11422
2009 11516
2010 12425
2011 12623
2012 13681
2013 14092
2014 13402
2015 14133
2016 14239
2017 14299
2018 13762
2019 13462
2020 12582
2021 11182
2022 8094
2023 7249
2024 3448

Text availability

Article attribute

Article type

Publication date

Search Results

412,097 results

Results by year

Filters applied: . Clear all
Page 1
CSF, blood-brain barrier, and brain drug delivery.
Pardridge WM. Pardridge WM. Expert Opin Drug Deliv. 2016 Jul;13(7):963-75. doi: 10.1517/17425247.2016.1171315. Epub 2016 Apr 11. Expert Opin Drug Deliv. 2016. PMID: 27020469 Review.
Blood-brain barrier breakdown in the aging human hippocampus.
Montagne A, Barnes SR, Sweeney MD, Halliday MR, Sagare AP, Zhao Z, Toga AW, Jacobs RE, Liu CY, Amezcua L, Harrington MG, Chui HC, Law M, Zlokovic BV. Montagne A, et al. Neuron. 2015 Jan 21;85(2):296-302. doi: 10.1016/j.neuron.2014.12.032. Neuron. 2015. PMID: 25611508 Free PMC article.
A ketogenic diet affects brain volume and metabolome in juvenile mice.
Mayengbam S, Ellegood J, Kesler M, Reimer RA, Shearer J, Murari K, Rho JM, Lerch JP, Cheng N. Mayengbam S, et al. Neuroimage. 2021 Dec 1;244:118542. doi: 10.1016/j.neuroimage.2021.118542. Epub 2021 Sep 13. Neuroimage. 2021. PMID: 34530134 Free article.
412,097 results
You have reached the last available page of results. Please see the User Guide for more information.