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Results by year

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

Year Number of Results
1886 1
1916 1
1919 1
1921 1
1967 1
1971 1
1975 1
1977 1
1978 4
1979 6
1980 5
1981 19
1982 24
1983 14
1984 25
1985 22
1986 29
1987 37
1988 30
1989 50
1990 53
1991 38
1992 52
1993 53
1994 99
1995 154
1996 107
1997 114
1998 83
1999 64
2000 57
2001 56
2002 51
2003 54
2004 34
2005 33
2006 25
2007 22
2008 16
2009 19
2010 42
2011 45
2012 21
2013 24
2014 14
2015 17
2016 13
2017 16
2018 12
2019 10
2020 8
2021 8
2022 6
2023 1
2024 0

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Similar articles for PMID: 8643970

1,646 results

Results by year

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1,646 results