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

Year Number of Results
1999 1
2000 3
2001 1
2002 2
2003 3
2004 5
2005 9
2006 7
2007 18
2008 16
2009 12
2010 12
2011 21
2012 22
2013 6
2014 3
2015 2
2016 1
2017 1
2018 2
2019 2
2021 2
2022 1
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Similar articles for PMID: 22187380

135 results
Results by year
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135 results