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

Year Number of Results
1957 1
1966 1
1975 1
1979 2
1980 1
1983 2
1985 1
1986 1
1990 1
1992 2
1997 1
1998 2
1999 4
2000 1
2001 2
2002 3
2003 12
2004 5
2005 7
2006 19
2007 20
2008 15
2009 23
2010 15
2011 21
2012 29
2013 31
2014 30
2015 36
2016 20
2017 21
2018 20
2019 22
2020 16
2021 14
2022 13
Text availability
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Article type
Publication date

Similar articles for PMID: 21556468

383 results
Results by year
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383 results