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

Year Number of Results
1935 1
1937 1
1939 1
1951 1
1955 1
1963 1
1970 2
1980 1
1984 1
1986 1
1989 1
1990 1
1993 1
1994 2
1995 5
1996 5
1997 2
1998 7
1999 5
2000 9
2001 4
2002 2
2003 6
2004 2
2005 7
2006 12
2007 7
2008 16
2009 3
2010 6
2011 18
2012 33
2013 39
2014 46
2015 55
2016 80
2017 81
2018 84
2019 74
2020 78
2021 31
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 23422444

650 results
Results by year
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