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Results by year

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

Year Number of Results
1922 1
1948 1
1952 2
1959 2
1963 1
1966 2
1967 1
1968 3
1971 4
1972 1
1973 2
1974 2
1975 3
1976 3
1977 2
1978 1
1979 2
1980 3
1981 7
1982 6
1983 1
1984 9
1985 4
1986 4
1987 4
1988 9
1989 10
1990 9
1991 11
1992 7
1993 4
1994 5
1995 5
1996 3
1997 4
1998 4
1999 5
2000 3
2001 2
2003 3
2004 5
2005 2
2006 5
2007 4
2008 8
2009 1
2011 2
2012 3
2014 4
2015 4
2016 2
2017 3
2018 1
2020 4
2021 6
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 7284926

204 results
Results by year
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204 results
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