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

Year Number of Results
1987 1
1993 1
1996 1
1998 1
1999 1
2000 1
2001 1
2002 5
2003 5
2004 7
2005 3
2006 7
2007 11
2008 24
2009 24
2010 24
2011 32
2012 40
2013 43
2014 33
2015 20
2016 26
2017 13
2018 14
2019 7
2020 11
2021 9
2022 1
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Similar articles for PMID: 22017222

298 results
Results by year
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298 results