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Results by year

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

Year Number of Results
1946 1
1954 1
1957 1
1958 1
1981 1
1982 1
1985 2
1986 1
1987 1
1988 2
1989 3
1990 4
1991 7
1992 6
1993 3
1994 1
1995 2
1996 7
1997 3
1998 4
1999 7
2000 19
2001 18
2002 16
2003 22
2004 38
2005 34
2006 47
2007 81
2008 66
2009 40
2010 45
2011 34
2012 33
2013 23
2014 31
2015 25
2016 18
2017 17
2018 12
2019 15
2020 14
2021 7
2022 2
2023 2
2024 0

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Similar articles for PMID: 18374630

640 results

Results by year

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640 results