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Results by year

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

Year Number of Results
1956 1
1959 1
1961 1
1973 1
1976 1
1979 1
1980 2
1981 1
1984 1
1987 1
1990 1
1992 2
1994 1
1995 1
1996 1
1997 1
1998 2
1999 2
2000 3
2001 4
2002 5
2003 15
2004 20
2005 30
2006 56
2007 85
2008 35
2009 30
2010 44
2011 43
2012 45
2013 46
2014 32
2015 41
2016 42
2017 59
2018 50
2019 51
2020 54
2021 43
2022 38
2023 12
2024 1

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Similar articles for PMID: 17938639

747 results

Results by year

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747 results