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Results by year

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

Year Number of Results
1943 1
1998 2
1999 5
2000 7
2001 5
2002 3
2003 3
2004 12
2005 10
2006 14
2007 14
2008 16
2009 16
2010 11
2011 12
2012 30
2013 18
2014 15
2015 17
2016 18
2017 26
2018 9
2019 15
2020 20
2021 19
2022 15
2023 7
2024 0

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Similar articles for PMID: 21504964

290 results

Results by year

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290 results