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

Year Number of Results
1887 1
1912 1
1917 1
1918 1
1919 1
1920 1
1921 1
1928 1
1938 1
1943 1
1952 1
1953 2
1954 2
1957 3
1958 2
1959 1
1961 1
1962 3
1963 1
1965 2
1967 1
1968 2
1969 2
1971 3
1972 1
1974 4
1975 4
1977 4
1978 8
1979 5
1981 3
1982 5
1983 3
1984 2
1985 3
1986 2
1987 1
1988 3
1989 6
1990 15
1991 3
1992 3
1993 13
1994 9
1995 6
1996 11
1997 6
1998 8
1999 11
2000 20
2001 29
2002 20
2003 24
2004 48
2005 41
2006 57
2007 101
2008 66
2009 33
2010 15
2011 27
2012 29
2013 22
2014 18
2015 14
2016 12
2017 10
2018 9
2019 7
2020 3
2021 3
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 18381504

741 results
Results by year
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