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

Year Number of Results
1960 1
1986 1
1988 1
1989 2
1991 1
1992 4
1993 1
1994 3
1995 3
1996 5
1997 6
1998 9
1999 16
2000 16
2001 7
2002 8
2003 8
2004 1
2005 8
2006 7
2007 9
2008 1
2009 10
2010 5
2011 7
2012 16
2013 14
2014 15
2015 16
2016 16
2017 17
2018 20
2019 20
2020 18
2021 14
2022 3
Text availability
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Article type
Publication date

Similar articles for PMID: 19326758

279 results
Results by year
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279 results