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Results by year

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

Year Number of Results
1954 1
1958 1
1959 1
1963 1
1966 1
1968 1
1970 1
1987 1
1988 5
1989 4
1990 3
1991 3
1992 2
1993 5
1994 6
1995 11
1996 20
1997 15
1998 12
1999 9
2000 14
2001 18
2002 22
2003 44
2004 56
2005 73
2006 89
2007 117
2008 220
2009 150
2010 27
2011 22
2012 34
2013 26
2014 19
2015 18
2016 15
2017 17
2018 17
2019 23
2020 22
2021 20
2022 14
2023 6
2024 0

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Similar articles for PMID: 19376402

1,134 results

Results by year

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1,134 results