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

Year Number of Results
1971 1
1972 1
1975 1
1977 2
1978 1
1981 1
1982 1
1986 3
1987 1
1988 1
1989 2
1990 1
1991 1
1992 2
1993 3
1994 1
1995 3
1996 1
1997 5
1998 1
1999 5
2000 6
2001 5
2002 5
2003 4
2004 2
2005 12
2006 4
2007 4
2008 9
2009 7
2010 9
2011 10
2012 14
2013 18
2014 25
2015 24
2016 28
2017 30
2018 23
2019 30
2020 19
2021 8
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 19736268

294 results
Results by year
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