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

Year Number of Results
1952 1
1954 1
1955 1
1957 1
1962 2
1963 2
1965 2
1966 6
1967 13
1968 18
1969 10
1970 5
1971 3
1972 3
1973 3
1974 1
1975 1
1976 2
1977 2
1978 2
1979 6
1980 10
1981 7
1982 2
1983 4
1984 4
1985 3
1986 2
1987 4
1988 3
1989 1
1990 2
1991 2
1992 2
1993 1
1994 4
1995 6
1996 7
1997 9
1998 3
1999 8
2000 6
2001 1
2002 4
2003 10
2004 22
2005 18
2006 45
2007 48
2008 74
2009 102
2010 9
2011 14
2012 14
2013 4
2014 8
2015 6
2016 7
2017 5
2018 8
2019 1
2020 3
2021 1
2022 1
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 19668883

532 results
Results by year
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532 results