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Results by year

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

Year Number of Results
1999 1
2000 1
2001 2
2003 1
2004 4
2005 2
2006 2
2007 4
2008 8
2009 4
2010 6
2011 7
2012 10
2013 12
2014 10
2015 7
2016 7
2017 6
2018 3
2019 10
2020 6
2021 5
2022 5
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21900438

111 results
Results by year
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111 results