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

Year Number of Results
1960 1
1994 1
1996 1
1998 3
2000 3
2001 1
2005 5
2006 3
2007 6
2008 9
2009 5
2010 3
2011 7
2012 7
2013 5
2014 5
2015 11
2016 13
2017 17
2018 17
2019 9
2020 5
Text availability
Article attribute
Article type
Publication date

Similar Articles for PMID: 21753753

128 results
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