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Results by year

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

Year Number of Results
1923 1
1949 1
1952 2
1954 1
1955 1
1960 3
1961 3
1962 1
1963 1
1964 1
1966 1
1969 1
1970 1
1971 1
1975 1
1976 2
1977 1
1978 3
1980 3
1981 2
1982 1
1983 3
1984 3
1985 5
1986 7
1987 11
1988 14
1989 3
1990 11
1991 3
1992 9
1993 8
1994 5
1995 6
1996 12
1997 9
1998 8
1999 14
2000 20
2001 14
2002 18
2003 25
2004 43
2005 78
2006 86
2007 138
2008 222
2009 441
2010 31
2011 31
2012 21
2013 23
2014 18
2015 11
2016 25
2017 22
2018 11
2019 11
2020 11
2021 21
2022 14
2023 5
2024 0

Text availability

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Article type

Publication date

Similar articles for PMID: 19725516

1,411 results

Results by year

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1,411 results