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

Year Number of Results
1976 1
1988 1
1991 1
1992 1
1997 2
1999 1
2000 1
2001 2
2003 3
2004 9
2005 5
2006 11
2007 14
2008 11
2009 8
2010 20
2011 16
2012 34
2013 52
2014 35
2015 42
2016 27
2017 22
2018 18
2019 30
2020 21
2021 14
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21322288

355 results
Results by year
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