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

Year Number of Results
1973 1
1974 1
1976 1
1979 2
1983 1
1984 2
1985 1
1994 3
1995 1
1996 4
1997 3
1998 2
1999 4
2000 3
2001 8
2002 2
2003 5
2004 5
2005 4
2006 13
2007 16
2008 19
2009 15
2010 13
2011 20
2012 20
2013 53
2014 53
2015 36
2016 36
2017 28
2018 28
2019 17
2020 12
2021 4
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 19597168

411 results
Results by year
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411 results
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