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

Year Number of Results
1947 1
1949 1
1963 1
1966 4
1967 2
1968 13
1969 17
1970 13
1971 3
1972 3
1973 9
1974 10
1975 8
1976 9
1977 5
1978 11
1979 5
1980 5
1981 5
1982 7
1983 2
1984 10
1985 11
1986 17
1987 9
1988 11
1989 7
1990 8
1991 8
1992 21
1993 12
1994 11
1995 11
1996 6
1997 7
1998 18
1999 14
2000 16
2001 10
2002 18
2003 15
2004 12
2005 22
2006 18
2007 17
2008 13
2009 16
2010 19
2011 20
2012 23
2013 15
2014 13
2015 16
2016 14
2017 11
2018 9
2019 8
2020 1
2021 4
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 8416505

606 results
Results by year
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606 results
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