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

Year Number of Results
1964 1
1969 1
1970 1
1972 1
1974 1
1976 1
1978 1
1981 1
1983 1
1984 1
1985 2
1988 1
1990 2
1991 4
1992 2
1994 2
1995 3
1996 1
1997 1
1998 3
1999 5
2000 5
2001 3
2002 9
2003 12
2004 10
2005 13
2006 18
2007 17
2008 20
2009 13
2010 12
2011 15
2012 19
2013 24
2014 32
2015 23
2016 27
2017 25
2018 41
2019 24
2020 31
2021 16
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21059778

413 results
Results by year
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