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Results by year

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

Year Number of Results
1977 1
1978 1
1979 3
1980 1
1985 1
1987 2
1988 1
1989 1
1990 3
1991 1
1992 2
1993 2
1994 6
1995 3
1996 2
1997 1
1998 4
1999 7
2000 10
2001 6
2002 5
2003 10
2004 5
2005 5
2006 9
2007 12
2008 12
2009 28
2010 34
2011 37
2012 31
2013 28
2014 25
2015 21
2016 18
2017 12
2018 18
2019 26
2020 17
2021 17
2022 17
2023 4
2024 0

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Similar articles for PMID: 20975117

401 results

Results by year

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401 results