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Results by year

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

Year Number of Results
1967 1
1976 1
1981 1
1985 1
1988 1
1989 1
1991 1
1992 2
1993 2
1994 2
1995 1
1997 3
1998 4
1999 5
2000 5
2001 11
2002 9
2003 12
2004 14
2005 19
2006 15
2007 16
2008 13
2009 15
2010 10
2011 25
2012 26
2013 15
2014 20
2015 26
2016 30
2017 22
2018 10
2019 13
2020 14
2021 18
2022 9
2023 7
2024 0

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Similar articles for PMID: 21134221

362 results

Results by year

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362 results