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Results by year

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

Year Number of Results
1978 1
1979 1
1980 1
1982 2
1983 5
1984 2
1985 1
1986 3
1987 3
1988 2
1989 4
1990 6
1991 7
1992 4
1993 4
1994 2
1995 4
1996 2
1997 7
1998 7
1999 6
2000 9
2001 13
2002 11
2003 13
2004 28
2005 28
2006 23
2007 21
2008 21
2009 21
2010 25
2011 37
2012 48
2013 39
2014 27
2015 36
2016 45
2017 39
2018 36
2019 29
2020 37
2021 57
2022 48
2023 25
2024 0

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Similar articles for PMID: 22393224

679 results

Results by year

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679 results