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

Year Number of Results
1978 1
1980 1
1986 1
1987 1
1988 1
1989 2
1990 1
1991 2
1992 3
1993 2
1994 1
1995 5
1996 7
1997 4
1998 4
1999 12
2000 5
2001 8
2002 7
2003 6
2004 15
2005 24
2006 33
2007 37
2008 90
2009 86
2010 20
2011 24
2012 20
2013 14
2014 14
2015 8
2016 10
2017 6
2018 8
2019 2
2020 2
2021 2
2022 0
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 19414395

432 results
Results by year
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432 results