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

Year Number of Results
1988 1
1991 1
1994 1
1995 1
1996 1
1997 2
1998 3
1999 5
2000 4
2001 2
2002 4
2003 3
2004 5
2005 4
2006 6
2007 7
2008 7
2009 6
2010 7
2011 8
2012 6
2013 16
2014 12
2015 13
2016 15
2017 10
2018 11
2019 14
2020 10
2021 16
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21115627

172 results
Results by year
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172 results
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