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

Year Number of Results
2001 1
2002 2
2003 2
2005 2
2006 2
2007 3
2008 2
2009 8
2010 8
2011 7
2012 9
2013 9
2014 10
2015 12
2016 3
2017 3
2018 4
2019 5
2020 2
2021 3
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21551406

88 results
Results by year
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