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

Year Number of Results
1950 1
1952 1
1972 2
1984 2
1986 1
1987 3
1988 1
1990 3
1991 1
1992 4
1993 8
1994 6
1995 3
1996 2
1997 8
1998 6
1999 7
2000 8
2001 11
2002 13
2003 10
2004 8
2005 10
2006 8
2007 7
2008 13
2009 12
2010 15
2011 18
2012 7
2013 22
2014 24
2015 24
2016 28
2017 22
2018 25
2019 21
2020 18
2021 15
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 19047246

343 results
Results by year
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