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Results by year

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

Year Number of Results
1940 1
1944 2
1948 1
1958 2
1959 1
1962 1
1964 1
1965 2
1968 1
1969 1
1970 1
1971 1
1972 2
1973 1
1974 1
1975 1
1976 3
1977 2
1978 4
1979 1
1980 6
1981 5
1982 3
1983 4
1984 4
1985 5
1986 3
1987 2
1988 1
1989 4
1990 10
1991 14
1992 8
1993 10
1994 9
1995 10
1996 13
1997 9
1998 12
1999 15
2000 14
2001 20
2002 13
2003 18
2004 19
2005 25
2006 18
2007 20
2008 23
2009 14
2010 35
2011 47
2012 45
2013 37
2014 31
2015 29
2016 29
2017 22
2018 23
2019 20
2020 23
2021 23
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 15731021

653 results
Results by year
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653 results