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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 2
2000 3
2001 5
2002 7
2004 28
2005 6
2006 2
2007 9
2008 15
2009 17
2010 23
2011 44
2012 42
2013 38
2014 43
2015 46
2016 43
2017 59
2018 42
2019 42
2020 43
2021 32
2022 34
2023 14
2024 0

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Similar articles for PMID: 21680701

536 results

Results by year

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536 results