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Results by year

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

Year Number of Results
1968 1
1972 1
1988 1
1990 2
1993 3
1994 3
1995 4
1996 3
1997 4
1998 4
1999 5
2000 6
2001 8
2002 14
2003 9
2004 11
2005 21
2006 26
2007 48
2008 43
2009 30
2010 23
2011 19
2012 11
2013 9
2014 18
2015 25
2016 11
2017 16
2018 13
2019 20
2020 19
2021 15
2022 3
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 18223503

412 results
Results by year
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412 results