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Results by year

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

Year Number of Results
1835 1
1897 1
1903 1
1915 1
1920 1
1939 1
1948 1
1949 1
1950 1
1951 2
1952 2
1953 4
1954 1
1955 1
1956 2
1957 4
1961 2
1963 1
1964 2
1965 3
1967 1
1968 2
1969 1
1970 1
1971 2
1972 2
1973 1
1974 1
1975 4
1976 2
1977 2
1978 1
1979 1
1980 2
1981 2
1982 3
1983 4
1984 8
1985 7
1986 2
1987 2
1988 3
1989 9
1990 4
1991 7
1992 12
1993 7
1994 5
1995 7
1996 3
1997 6
1998 9
1999 5
2000 4
2001 3
2002 11
2003 7
2004 6
2005 8
2006 6
2007 7
2008 14
2009 23
2010 19
2011 26
2012 35
2013 25
2014 34
2015 52
2016 47
2017 36
2018 56
2019 37
2020 43
2021 21
2022 45
2023 16
2024 0

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Similar articles for PMID: 21597107

691 results

Results by year

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691 results