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

Year Number of Results
1997 1
1999 2
2003 1
2004 1
2005 3
2006 2
2007 2
2009 3
2010 3
2011 10
2012 6
2013 7
2014 10
2015 8
2016 16
2017 20
2018 9
2019 12
2020 7
2021 7
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21816920

102 results
Results by year
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102 results