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

Year Number of Results
1998 2
1999 7
2000 1
2001 2
2002 7
2003 4
2004 8
2005 9
2006 4
2007 9
2008 6
2009 23
2010 15
2011 6
2012 11
2013 5
2014 12
2015 20
2016 14
2017 12
2018 8
2019 9
2020 3
2021 4
2022 0
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Publication date

Similar articles for PMID: 19223428

182 results
Results by year
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182 results