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Results by year

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

Year Number of Results
1969 1
1976 1
1980 1
1981 1
1987 2
1988 1
1991 1
1993 2
1994 3
1995 3
1996 2
1997 3
1998 2
1999 4
2000 4
2001 4
2002 10
2003 7
2004 14
2005 9
2006 14
2007 11
2008 21
2009 13
2010 13
2011 12
2012 11
2013 23
2014 25
2015 39
2016 42
2017 34
2018 32
2019 23
2020 20
2021 11
2022 6
2023 1
2024 0

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Similar articles for PMID: 21122716

367 results

Results by year

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367 results