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

Year Number of Results
1957 1
1965 1
1971 1
1974 1
1982 1
1988 1
1991 1
1992 2
1994 1
1995 1
1997 1
1998 1
1999 2
2001 5
2002 2
2003 3
2004 7
2005 10
2006 8
2007 14
2008 10
2009 9
2010 6
2011 6
2012 22
2013 24
2014 26
2015 19
2016 15
2017 18
2018 24
2019 19
2020 19
2021 16
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21890824

237 results
Results by year
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237 results
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