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

Year Number of Results
1962 1
2000 1
2002 2
2003 3
2004 5
2005 7
2006 5
2007 4
2008 4
2009 1
2010 8
2011 12
2012 21
2013 4
2014 23
2015 20
2016 32
2017 23
2018 17
2019 19
2020 15
2021 9
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21969406

208 results
Results by year
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208 results
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