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

Year Number of Results
1961 1
1967 2
1970 2
1974 2
1977 2
1984 1
1985 1
1986 1
1987 3
1988 1
1989 1
1990 3
1992 4
1993 2
1995 4
1996 3
1997 1
2000 3
2001 1
2002 5
2003 3
2004 11
2005 24
2006 36
2007 34
2008 61
2009 48
2010 16
2011 14
2012 10
2013 10
2014 13
2015 6
2016 10
2017 5
2018 15
2019 6
2020 1
Text availability
Article attribute
Article type
Publication date

Similar Articles for PMID: 18693693

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