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

Year Number of Results
1997 2
2003 2
2004 4
2005 6
2006 5
2007 10
2008 10
2009 7
2010 6
2011 5
2012 11
2013 14
2014 11
2015 9
2016 1
2017 3
2018 3
2019 3
2020 1
2021 1
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21868550

102 results
Results by year
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102 results
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