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Results by year

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

Year Number of Results
1947 1
1950 1
1954 1
1959 1
1960 1
1961 1
1975 2
1976 1
1977 1
1981 2
1982 2
1984 3
1987 1
1988 1
1989 2
1990 3
1992 3
1993 2
1994 3
1995 15
1996 20
1997 25
1998 14
1999 9
2000 8
2001 8
2002 7
2003 11
2004 12
2005 8
2006 7
2007 7
2008 4
2009 11
2010 4
2011 9
2012 9
2013 6
2014 9
2015 6
2016 18
2017 8
2018 13
2019 15
2020 10
2021 6
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 8790213

294 results
Results by year
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294 results