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

Year Number of Results
1968 1
1970 2
1973 1
1974 1
1975 1
1976 1
1979 1
1980 1
1982 2
1984 5
1985 4
1986 2
1987 1
1988 8
1989 4
1990 5
1991 13
1992 6
1993 12
1994 8
1995 6
1996 6
1997 4
1998 5
1999 8
2000 4
2001 1
2002 2
2004 2
2006 2
2007 3
2011 1
2012 1
2013 2
2014 3
2016 1
2017 2
2020 1
2021 1
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 8242506

133 results
Results by year
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133 results