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
1946 1
1957 2
1958 1
1963 1
1966 1
1967 1
1968 3
1969 7
1970 5
1971 8
1972 8
1973 11
1974 5
1975 12
1976 23
1977 17
1978 15
1979 18
1980 21
1981 19
1982 21
1983 18
1984 12
1985 15
1986 13
1987 11
1988 8
1989 7
1990 7
1991 7
1992 7
1993 5
1994 8
1995 6
1996 4
1997 7
1998 4
1999 1
2000 4
2001 2
2002 3
2003 1
2004 3
2006 2
2009 2
2012 2
2016 2
2017 5
2018 2
2020 1
2022 3
2024 0

Text availability

Article attribute

Article type

Publication date

Similar articles for PMID: 6803358

370 results

Results by year

Filters applied: . Clear all
Page 1
370 results