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
1968 3
1969 11
1970 31
1971 27
1972 31
1973 42
1974 39
1975 45
1976 38
1977 35
1978 33
1979 28
1980 21
1981 19
1982 21
1983 31
1984 35
1985 23
1986 35
1987 60
1988 61
1989 63
1990 35
1991 31
1992 33
1993 27
1994 14
1995 13
1996 17
1997 15
1998 15
1999 15
2000 15
2001 11
2002 9
2003 18
2004 8
2005 10
2006 14
2007 22
2008 17
2009 15
2010 22
2011 16
2012 13
2013 8
2014 14
2015 8
2016 9
2017 4
2018 1
2019 3
2020 3
2021 1
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

1,148 results

Results by year

Filters applied: . Clear all
Page 1
Cholinergic substrate for drinking in the rat.
Levitt RA. Levitt RA. Psychol Rep. 1971 Oct;29(2):431-48. doi: 10.2466/pr0.1971.29.2.431. Psychol Rep. 1971. PMID: 4332442 Review. No abstract available.
1,148 results