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Results by year

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

Year Number of Results
1864 1
1878 1
1915 1
1920 1
1949 2
1950 1
1962 1
1966 1
1970 1
1971 1
1975 1
1976 2
1981 1
1989 1
1990 2
1991 1
1992 2
1994 5
1995 8
1996 5
1997 7
1998 8
1999 2
2000 5
2001 15
2002 16
2003 6
2004 7
2005 12
2006 13
2007 15
2008 4
2009 18
2010 14
2011 25
2012 32
2013 12
2014 21
2015 16
2016 10
2017 10
2018 12
2019 15
2020 11
2021 10
2022 9
2023 3
2024 1

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Similar articles for PMID: 21360393

323 results

Results by year

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323 results