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

Year Number of Results
1994 1
1997 1
1998 1
2000 1
2001 1
2003 2
2004 1
2005 1
2006 1
2007 9
2008 4
2009 6
2010 7
2011 17
2012 20
2013 20
2014 12
2015 12
2016 9
2017 5
2018 8
2019 6
2020 4
2021 9
2022 1
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Publication date

Similar articles for PMID: 21555383

142 results
Results by year
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142 results