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

Year Number of Results
1968 1
1998 1
2001 1
2003 1
2004 1
2006 1
2007 1
2008 1
2009 6
2010 8
2011 12
2012 17
2013 24
2014 13
2015 20
2016 13
2017 12
2018 9
2019 7
2020 3
Text availability
Article attribute
Article type
Publication date

Similar Articles for PMID: 20937661

135 results
Results by year
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