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

Year Number of Results
1963 1
1975 2
1983 3
1985 4
1986 2
1987 2
1988 1
1989 2
1990 1
1991 7
1992 1
1993 5
1994 3
1995 5
1996 2
1997 1
1998 8
1999 3
2000 6
2001 5
2002 5
2003 5
2004 6
2005 5
2006 6
2007 9
2008 11
2009 13
2010 10
2011 12
2012 15
2013 10
2014 11
2015 15
2016 13
2017 13
2018 22
2019 21
2020 27
2021 19
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 22293527

283 results
Results by year
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