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Results by year

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

Year Number of Results
1971 1
1974 1
1976 1
1981 4
1982 1
1983 6
1984 14
1985 13
1986 13
1987 12
1988 5
1989 9
1990 7
1991 8
1993 5
1994 2
1995 5
1997 2
1998 3
1999 7
2000 2
2001 2
2002 1
2003 2
2004 3
2005 2
2006 1
2007 1
2012 2
2017 1
2021 0
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Similar articles for PMID: 6737078

136 results
Results by year
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136 results