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

Year Number of Results
1968 1
1976 1
1981 1
1982 1
1983 1
1984 1
1985 1
1986 2
1988 1
1989 1
1990 1
1991 2
1992 3
1993 1
1994 1
1995 1
1996 5
1997 3
1998 7
1999 1
2000 3
2001 4
2002 3
2003 12
2004 11
2005 15
2006 27
2007 57
2008 52
2009 36
2010 7
2011 10
2012 6
2013 12
2014 8
2015 13
2016 14
2017 4
2018 12
2019 6
2020 6
2021 11
2022 4
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 18630521

342 results
Results by year
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342 results