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

Year Number of Results
1959 1
1962 1
1968 1
1971 1
1974 1
1976 1
1979 2
1985 2
1987 1
1988 1
1990 1
1991 1
1992 1
1994 1
1995 2
1997 1
1998 3
1999 2
2000 2
2001 2
2003 5
2004 6
2005 7
2006 5
2007 4
2008 7
2009 3
2010 8
2011 14
2012 36
2013 15
2014 20
2015 7
2016 3
2017 6
2018 8
2019 2
2020 4
2021 2
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 22351896

175 results
Results by year
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