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

Year Number of Results
1995 1
1996 1
1999 3
2000 1
2001 1
2002 1
2003 3
2004 5
2006 5
2007 1
2008 1
2009 4
2010 7
2011 7
2012 9
2013 9
2014 12
2015 3
2016 11
2017 10
2018 5
2019 5
2020 4
2021 13
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Article attribute
Article type
Publication date

Similar articles for PMID: 21690221

112 results
Results by year
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112 results